Zabbix port number tcp

Dec 27, 2016 · net. 1 -k "net. Oct 19, 2009 · Zabbix wont accept the new value! What i did: I changed the Value from "Configuration -> Itmes -> ssh Server" from: net. Default values are: 10050 for Zabbix agent, 161 for SNMP agent, 12345 for JMX and 623 for IPMI. Dec 6, 2020 · 12-06-2020, 18:25. port [1. port. port) but zabbix agent return 0 I test this with telnet and connection is ok Feb 2, 2010 · Item 3) is a challenge at the moment. port[,9070]" (it is described in Zabbix manual v1. Port: TCP/UDP port number. I need to change the default ports that Zabbix (v1. There may be protocol specific stuff (eg. Hello, is there any specific reason why zabbix item with key "net. Hi, I want to limit the number of TCP sessions between Zabbix server and agent, I find that the server queries the agent on port 10050 about 5 times per second. service[ssh,,22] . 0. service [tcp,,4506] I can access those ports from the Zabbix server, checked this with nmap. StartAgents. I'll be more specific, I need to put zabbix on an external domain of the company, which in Number of physical files in the InnoDB redo log for allow zabbix_agent_t mysqld_etc_t:file read; allow zabbix_agent_t mysqld_port_t:tcp_socket name_connect; allow uprightanimal. conf) are listed in this section. 1 # Number of pre-forked instances of zabbix_agentd. conf). 54. conf Supported only for Zabbix 7. 30-08-2016, 19:56. 103) Hope this helps Alixen Dec 30, 2021 · There is a problem with a large number of TCP connections in the TIME_WAIT state. Only when a connection is set up user's data can be sent bi-directionally over the connection. port [server. conf I set. The same port number may be unofficialy used by various services or applications. The zabbix server will check the port on the target host using fping (which has to be installed on zabbix server). delta (150)}=0) delta part adds a delay of 150 seconds before trigger activates to allow for network glitches etc. port [,80] → can be used to test availability of web server running on port 80. and then i added an item and a trigger for it. get, net. Jun 26, 2023 · There is a Zabbix-server that functions as a web-dashboard, and a Zabbix-agent that you can install on anything like (Windows server, Linux distros, Networking products, Management of Servers). x. Zabbix agent uses it's own, JSON based protocol [ source]. Limits: 1-30. 138,81]" on host "host" failed: first network error, wait for 15 seconds. Dear, I have a Zabbix 4. listen[3323] item using Zabbix agent (passive) the latest data graph shows nothing for that period rather than 0. I created a host using the snmp interface. Does not function: net. 9990,3303 etc . RHCE, author of zbxapi. Aug 29, 2017 · After changing to type Zabbix agent everything became fine. 7. conf) and set the required parameters. Hi all! I would like to have my Zabbix Server 4. Any ideas? This template is designed for the effortless deployment of Apache monitoring by Zabbix via Zabbix agent and doesn't require any external scripts. Mar 15, 2007 · Joined: May 2006. Default: 10 Range: 0-63 It would be great to have "The network ports and Firewall rules required for Zabbix to function correctly" page in our documentation. 41 (Unix) On this page you can find tools for search TCP Port Numbers and UDP Port Numbers. i have modified the conf file to include UserParameter=Key [*],netstat -a -n | find /c "9999". 0 agents or later. This optional parameter can be used to specify the Mar 30, 2016 · About TCP/UDP ports. Zabbix server to agent: TCP/10050. I just noticed the syntax < 1 is not correct as I now have a problem where the result of the item is 2 instead of 0. Port 10051 is used for collecting data from remote hosts using the Zabbix agent. Node IP address. Zabbix server daemon not running; 4. port [172. When I try using zabbix_get, I get the reply that the ports are up: Sep 7, 2023 · Automatic nmap scanning. # Default value is 5 # This parameter must be between 1 and 16 StartAgents=5 # How often refresh list of active checks. 2. On client side: no special configuration On server side: create an Item of type "Zabbix Agent" and Key "net. netstat -t | grep ESTABLISHED | wc -l. Port 10051 is the port being used by Zabbix active agents to communicate with the server. - outgoing connections to Zabbix server or Zabbix proxy; - making connections while executing some items (web. php"; 2. I'm trying to monitor TCP checks on specific ports for specific IPs I'm using google DNS for testing purposes So far I am having great success with the below trigger However, I'd like to have the alert to be triggered after some failed attempts, the way I am doing now, as soon as 1 failed check happens Jun 1, 2021 · -p, --port port Specify port number of Zabbix server trapper running on the server. Ports those registered with IANA are shown as official TCP/UDP port number. The parameters are listed without additional information. last(0)}=0 OK for default port 22 but for another port, where to put the port number ? neither work : Jan 8, 2023 · go_to_ellipsis. 1. service[tcp,x. Any other traffic is standard. The server uses the zabbix agent to monitor host utilization, you don't NEED it, but you will use it if you have it. We needed some nmap scanning so i decided to integrate it with zabbix to be notified if one port had been open. last (0)}=0)& ( {server:check_port [port_number]. 70. When i activate a net. Service names are assigned on a first-come, first-served process, as. AllowRoot. May 24, 2005 · Posts: 27. Jan 24, 2024 · If you want to determine whether zabbix can connect to all TCP ports, you must turn on the zabbix_can_network boolean. Remember to open these ports on the firewall. I am receiving a error message from the host saying "Invalid port number [{$SNMP_PORT}]". If you want to check from Zabbix agent, please check using item of type Zabbix agent. May 5, 2023 · Port 10050. When I try to monitor other service running on port 443 it works without problems, but monitoring of port 9443 Jun 30, 2020 · ##### Active checks related ### Option: ServerActive # List of comma delimited IP:port (or DNS name:port) pairs of Zabbix servers and Zabbix proxies for active checks. Is it possible to change the polling from the server to the agent (every 10 seconds for example). Zabbix Data to UDP/TCP. Feb 3, 2020 · 02-03-2020, 17:20. It is typically used for monitoring purposes by the Zabbix network monitoring software. 'all' counts both matching ports on the local and remote side. B) Using an agent. g if zabbix is doing an HTTPS check, it uses TCP/443. Current service contain the biggest tcp udp port list. SNMP agent to Zabbix server (traps): UDP/162. Zabbix uses this port to receive agent data, such as status updates, performance metrics, and log files. service[ssh,,7522] [u|1] it works but, when I try to create a trigger on server, I can't find the right syntax {bbshow:net. Example: ⇒ net. I have created a couple of "simple check" items for 2 tcp ports for 2 servers: net. which will trigger if telnet is down (port 23) for more then 250 seconds. If ServerPort is not specified, default port is used. 247. The open port like http,ssh is showing status,but have some services running in different port eg. zabbix[host,discovery,interfaces] internal item. path? That is, unless someone has come up with a better way to make tcp,”port number” work with simple checks. 11. session: string: no On this page you can find tools for search TCP Port Numbers and UDP Port Numbers. TCP is a connection-oriented protocol, it requires handshaking to set up end-to-end communications. 10. Asterisk is a software implementation of a telephone private branch exchange (PBX). version: string: yes: The agent version number. 0:80: bind: permission denied Mar 1, 2022 · => net. zabbix_get -h zabbix_get -V DESCRIPTION. It allows telephones interfaced with a variety of hardware technologies to make calls to one another, and to connect to telephony services, such as the public switched telephone network (PSTN) and voice over Internet Protocol (VoIP) services. service(http,,<port>) but we need to use the port specified in the host (as we have 3,000 devices and we provision via API). In my case, I needed to check net. ip - IP address (default is 127. Default is 10051. Hello, have a small question regarding net. service[http,,443] The result should be the same, but it isn’t. Incorrect server IP/DNS in the "zabbix. service[https,x. Do not keep trends older than (in days) Oct 31, 2019 · Checks if it is possible to make TCP connection to specified port. I've used SSH template and as well custom item set as a simple check (net. Zabbix agent properly concluding that this misspelled Dec 31, 2016 · What I want to be able to do is configure my zabbix similar to how I've done other apps on my server something like this. conf. service[ssh,,7522] net. Error: rootlessport cannot expose privileged port 80, you can add 'net. Open the Zabbix Agent configuration file (zabbix_agent2. 13 -k net. port [<ip>,port] item type, where you specify both IP and port of RDS. Opened SSH port (22 TCP); Opened Zabbix agent (10050 TCP) and Zabbix trapper (10051 TCP) ports; Opened HTTP (80 TCP) and HTTPS (443 TCP) ports; Opened SNMP trap port (162 UDP); Opened outgoing connections to NTP port (53 UDP); ICMP packets limited to 5 packets per second; All other incoming connections are dropped. ago. port[3323] or net. We can use it to aggregate all Zabbix ports related information (e. The number of pre-forked instances of zabbix_agentd that process passive checks. documented in [ RFC6335 ]. Port numbers in computer networking represent communication endpoints. 3. 20,4052] on another host. com:10050. Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private. Ports those registered with IANA are shown as official ports. This field is only available if a proxy group is selected in the Proxy group field. This item returns a JSON with the description of interfaces, including: IP address/DNS hostname (depending on the “Connect to” host setting) Port number. A new configuration parameter ListenBacklog has been added to Zabbix server, Zabbix proxy, and Zabbix agent ( Unix / Windows) configuration. When I do net. service[ssh]. Hello everybody. Sep 14, 2020 · If you use simple check to check SMTP (port number 25), HTTP (port number 80), IMAP (port number 143), Zabbix server connects to each host with each port number. service [tcp,,Port_num. May 11, 2020 · 05-11-2020, 13:02. There are actually already 2 apps on this server. That does not seem to be a useful change - port 10051 is the Zabbix server (trapper) port. So this is one of the first templates i'd like to share. When I used type Simple check, probably, Zabbix server tried to check port 4052 in ip-address 192 Nov 8, 2023 · Zabbix 6. 27-03-2009, 01:34. Timeout — request execution timeout (how long to wait for a request to complete before shutting it down). #2. Default value: equals the global 'Timeout' (configuration parameter set in zabbix_agent2. IPv6 addresses must be enclosed in square brackets if port for that host is specified. 4. Port 10051 Details. AlertScriptsPath. Server= [private ip zabbix server] Hostname= [zabbix server's hostname] I installed zabbix agent on zabbix-proxy. Default: 10 Range: 0 Node IP address. In version Zabbix 5. 15 listen to multiple ports. service. zabbix_get is a command line utility for getting data from Zabbix agent. I can solve this problem by changing the templates, but I am still curious as to how to solve the problem otherwise. tcp. Port: Node Port number. 26. 1 - can connect. Zabbix agent properly evaluating parameter -1 and concluding it is not a valid port number. 823 temporarily disabling Zabbix agent checks on host "host": host Aug 16, 2021 · Zabbix server does not see the active port. 17-04-2018, 22:28. The proxy operating mode (active/passive). When adding new hosts on the Zabbix server and assigning them to the active proxy from drop down, does the server push these changes to monitor the new hosts to the active proxy via port 10050 or the proxy will pick up these new hosts when it next connects to the server via port The parameters supported by the Zabbix server configuration file (zabbix_server. variant: number: yes: The agent variant (1 - Zabbix agent, 2 - Zabbix agent 2). This will reroute all traffic port 10050 on the server you logon to (proxy) to yourserver. service[ssh, 2222] None of them works! I can telnet to my server and this port but zabbix says ssh server is down! Jul 14, 2022 · Again back to LLD basics (not specific to this template, and you didn't mention explicitly what you did/checked, so I'll ask): - Did you wait for the discovery to happen (or trigger the discovery manually)? 2 Zabbix agent/agent2 protocol. conf to the new ports (25050 and 25051), and also made the change on one of the monitored servers plus in the GUI Sep 26, 2021 · I want to monitor x. This is still work in progress - there are no triggers but after the initial test, it seems like it's working nicely. conf" you can see (near line 99) the comment line like below : vim ZABBIX_AGENTD_CONFIGFILES_ADDRESS/zabbix_agentd. May 7, 2023 · Use the “active” agent - there the number of server requests to the agent is minimal. Port search going through 4 library (database), total number of records are about 22000 (in 3 times more that in other service). The location of custom alert scripts. -I, --source-address IP-address Specify source IP address. 5 Thereafter the https check did not function correctly anymore. Parameter. 1,22] Try setting log level to 4 on the agent and see if it has any valuable info there. 12 and higher Feb 26, 2006 · tcp_port_check. E. Mar 2, 2014 · When zabbix agent hit timeout then zabbix server makes whole host as unavailable and stops further processing: Code: 1007:20140203:003358. 4 9443". For example, on a Zabbix server running CentOS you can open the ports in firewalld using firewall-cmd: # firewall-cmd --add-service Code: zabbix_get -s 10. x:3306 in Linux server with zabbix agent (zabbix agent item: net. 4,9443]" is always returning "0" even if port is open and I can telnet to it without trouble with command "telnet 1. Mar 18, 2024 · services that run over transport protocols such as TCP, UDP, DCCP, and. 25-05-2005, 11:14. firewall on target server OS centOS7 [root@ceph-02 ~]# firewall-cmd --info-service=zabbix-agent2 zabbix-agent2 ports: 10050/tcp 10051/tcp protocols: source-ports: modules: destination: availability from a ceph server: Aug 27, 2013 · zabbix_agent -t net. regards. When connecting to localhost:10050 on your proxy will get you on port 10050 on your zabbix server. conf and zabbix_agentd. protocol, port number, descriptions). Nov 5, 2009 · Zabbix agent can check if a TCP port is open. May 10, 2010 · Default is 10050 ListenPort=10050 # IP address to bind agent # If missing, bind to all available IPs #ListenIP=127. 150. SANS Internet Storm Center: port 10050. ให้สังเกตุตรงที่หัวข้อ Key ให้เรากดที่ Select เพื่อ Dec 19, 2018 · 0. Port: TCP port number (10051 by default) to connect to. Zabbix trapper must be listening on this port number. Zabbis Server ListenPort is normally 10051. Default: Check the radio button to set the default interface. # If port is not specified, default port is used. Proxy mode: Select Jul 14, 2021 · i know that with the dos command: netstat -a -n | find /c "9999". While technically possible, listening for two different protocols on same port causes a lot of issues. For simple TCP performance testing use net. 168. You can use something like: {Standalone_t:tcp,23. Plugins. Zabbix won't keep history of the node longer than N days. 194. เข้าไปหน้า Configuration > Host > Item จากนั้นให้สร้าง Item ใหม่. try item. May 28, 2021 · Additionally, ports 80 and 443 are reserved for HTTP and HTTPS respectively. TCP is one of the main protocols in TCP/IP networks. 3 Using a static IP address Apr 15, 2021 · Run zabbix_get -s 127. iptables -I INPUT -p tcp -s <zabbix server ip> --dport 10050 -j ACCEPT Share May 26, 2017 · Take a closer look at your item type: net. port, etc. Notes: Port numbers in computer networking represent communication endpoints. Default port 21 is used if not specified. config_revision: number: no: Configuration identifier for incremental configuration sync. SSH servis (TCP22) service is running and i can connect from zabbix server over ssh to machine but zabbix still alerts ssh service down. service - they simply does not return any value for port that I know is blocked. g. I'm seeing a large number (>80) network connections in the "TIME_WAIT" state from my Windows zabbix agent machines to the zabbix server on port 10050. I know I can hard-code the port in net. Security environment (for example, SELinux) is blocking the connection; 3. 4 it seems like the problem has been fixed. Zabbix trapper must be listening on this IP address. max (250)}<1. I changed the zabbix_server. perf [tcp,<ip>,<port>] Jan 26, 2017 · for linux server : in the file "zabbix_agentd. check_port [server_name,port_number] then trigger. Mar 15, 2018 · 15-03-2018, 15:04. port and net. If ProxyMode is set to active mode: Zabbix server IP address or DNS name (address:port) or cluster (address:port;address2:port) to get configuration data from and send data to. Hello guys, Im having troubles with configuring a item to monitor SSH service on few devices. If port is not specified, square brackets for IPv6 addresses are optional. service[tcp,,443] 数値--30: 90: 365: Zabbixエージェント: nginx service: TCP443ポート（https）の 1. By default only incoming connection to the port are counted. Zabbix does not have the functionality built in. service [tcp,192. Grab a tcpdump / wireshark, check communication to that agent from zabbix_server and from zabbix_get and see if there are any differences. Aug 16, 2017 · Hi, Zabbix-3. It originated in the initial network implementation in which it complemented the Internet Protocol. Please refer to Passive and active agent checks page for more information on Zabbix agent and Zabbix agent 2 protocols. 10-03-2010, 23:20. IANA port numbers assignments library (database) - The Internet Assigned Numbers Mar 15, 2015 · Our final step was to check the log file to see if the Zabbix server was started without any errors and the opening of TCP port 10051 in the firewall. port[173. service [ telnet ,,3389] The item is bound to check telnet service availability on the port 3389, it's logical that Zabbix cannot find it, because it's RDS service. When i get an outage on say net. tcp trigger. Ok, thanks very much. This item is supported since Zabbix server 3. ipv4. Set the host to monitored. 6 p. fqdn,80] to a firewalled port I would expect, per the documentation, a 0 return value after a timeout. ip_unprivileged_port_start=80' to /etc/sysctl. MSSQL by Zabbix agent 2 Overview. 54 - my zabbix proxy server. This option is supported in version 1. OPTIONS-s, --host host-name-or-IP Specify host name or IP address of a host. com. i am trying to get that information within zabbix. Server= [private ip zabbix-proxy] Active zabbix proxy - inbound port TCP 10050. You'll need to create an external script. Default is 10050. Mode can be set to 'remote', then only connections whose remote port matches are counted. you can get a count of the number of lines that have "9999" portnumber in them. " 3 net. I know Cloudron does not recommend messing with the firewall, but May 5, 2023 · Modified by: 05. ServerVersion: Apache/2. I opened port 10051 to zabbix server ip on firewall (pfSense). 1. would give you the current number of established tcp connections (I get the feeling you may already know, but it's there in case someone else is searching). ( {server:check_port [port_number]. Library's: IANA port numbers assignments library (database) - The Internet -z to specify Zabbix server IP address-p to specify Zabbix server port number (10051 by default)-s to specify the host (make sure to use the technical instead of the visible host name)-k to specify the key of the item configured in the trapper item-o to specify the value to send Mar 24, 2013 · 26-03-2013, 15:56. path Would it be possible to get a quick HOW TO posted on the installation of the tcp_port_check. conf (currently 1024), or choose a larger port number (>= 1024): listen tcp 0. When used together with --config, overrides the port entries of ServerActive parameter specified in agentd configuration file. It is used for collecting and processing data from monitored hosts and devices in a network. IANA is responsible for internet protocol resources, including the registration of commonly used port numbers for well-known Jan 12, 2019 · I think its better to use Iptables rule, below command will allow zabbix server ip in tcp mode. On zabbix_proxy. Also, in your Zabbix setup the ports may have - outgoing connections to Zabbix server or Zabbix proxy; - making connections while executing some items (web. But it seems that I never get a return value for these tests Sep 21, 2023 · In case of Zabbix protocol the interesting TCP (Transmission Control Protocol, the transport protocol on which Zabbix protocol runs) port is usually 10051, but if you are using Zabbix agents in passive mode (where server/proxy connects to the agents), then you need to also capture TCP port 10050. (port 3306 is up, but clients can't connect) If the port is not specified, ServerPort port is used for that host. tcp The Transmission Control Protocol is one of the main protocols of the Internet protocol suite. Zabbix server to SNMP agent (get): UDP/161. 4 server running OK, but when I see the service Mar 27, 2009 · Posts: 1233. The issue could be in your agent configuration file or something to do with the version of the agent software. User macros are supported. I think, when you choose type Simple check , this means, that check will be work from Zabbix Server. Monitored by: Select if the host is monitored by: Server - host is monitored by Zabbix server; Jan 23, 2020 · We've forwarded ports on the firewall to port 80 on each device. SCTP. I just noticed it with 1. ตั้งค่าต่างๆในหน้าสร้าง Item. 1010:20140203:003443. # IPv6 addresses must be enclosed in square brackets if port for that host is specified. Port 10050 is commonly used by the open-source monitoring software called Zabbix. What you want to have a look at is net. service[ssh] to net. Originally posted by Bernd Hohmann. The patch is against 1. To toggle search highlight, press Ctrl+Alt+H. jira which is a Reverse Proxy on port 8080 and confluence which is a Reverse Proxy on port 8090. Ports are unsigned 16-bit integers (0-65535) that identify a specific process, or network service. listeeeeeeen[22]"--> ZBX_NOTSUPPORTED: Unsupported item key. x,443] From the host I can ping the ip, telnet ports, and curl both webs. 101 - my ceph server 10. 2. 2023. I have tired with creating item Type-simple check & Zabbix agent using key net. 4. While you could move Zabbix to a non-standard port, and then the web UI to port 10051, it would be mighty confusing and does not seem to provide any benefit. The proxy will keep data for N hours in case of no connectivity with Zabbix server. err. Port numbers are assigned in various ways, based on three ranges: System. service[2222] net. I am monitoring multiple servers using only active agent monitoring through the default port for the Zabbix-trapper: 10051, no passive checks. For a specific host (running CentOS7) my client already has a Zabbix-agent monitoring server performance Feb 18, 2016 · iptables -I INPUT -p tcp -m state --state NEW -m tcp --dport 10051 -j ACCEPT You must have permission of the port number 10051 to access from Zabbix agent to Jul 3, 2022 · TCP port check. I want to have zabbix on a Reverse Proxy on another port, say 8070. Monitored by proxy: The host can be monitored either by Zabbix server or one of Zabbix proxies: (no proxy) - host is monitored Oct 2, 2014 · I just installed Zabbix 2. Will need to be allowed. • 7 mo. However, Zabbix-agent to function properly requires opening TCP/10050 port on clients. The solution is based on Linux utility ‘ss’ which comes along on most popular Linux platforms. Interface type (Zabbix agent, SNMP, JMX, IPMI) Aug 24, 2006 · Create a item type "simple check" , key "tcp,8280". -I, --source-address IP-address Specify source IP address. 2 minutes by default. I appreciate your feedback. The template Apache by Zabbix agent - collects metrics by polling mod_status locally with Zabbix agent: 127. service[tcp,,80] 数値--30: 90: 365: Zabbixエージェント: nginx service: TCP80ポート（http）のステータス取得: TCP80ポート（http）を使用しない場合は不要: 2: HTTPS service is running: 1: net. Disabled by default. I *think* "net. 0 - cannot connect. 12. 8. 05. 19-03-2007, 11:29. You can change the agent ListenPort to something else, then in the host config agent interface, change the 10050 value to your chosen port. This template is designed for the effortless deployment of MSSQL monitoring by Zabbix via Zabbix agent 2 and doesn't require any external scripts. Feb 3, 2008 · It counts the number of ESTABLISHED TCP connection on the specified port. listen[-1]"--> ZBX_NOTSUPPORTED: Invalid first parameter. 16. : Jun 17, 2022 · net. 15-10-2018, 21:42. I want to monitor that Port Status by Zabbix, either port is UP or DOWN. port[,80] → can be used to test the availability of a web server running on port 80. Larger number of TIME_WAIT connections. Description: Enter the host description. Posts: 47. page. -p, --port port-number Specify port number of agent running on the host. 475 Zabbix agent item "net. TCP port 10050 uses the Transmission Control Protocol. Firewall is blocking TCP connection. Feb 23, 2020 · In that servers few service is running in different port . Your best, and possibly only, solution is to open traffic on ports 10050 and 10051. Do I need to make an special configuration on zabbix6 to monitor "non-standard" ports? Thanks! Sep 20, 2019 · net. IANA is responsible for internet protocol resources, including the registration of commonly used port numbers for well-known internet services. Mar 17, 2024 · TCP 10050 — passive agent port, which Zabbix server uses to poll clients;; TCP 10051 — port through which Zabbix server receives data from clients (active agents). ). Well Jan 15, 2021 · Possible reasons: 1. Description. service["ftp"] "Creates a TCP connection and expects the first 4 characters of the response to be “220 ”, then sends “QUIT\r\n”. Returns 0 - cannot connect; 1 - can connect". service [tcp,,4505] net. Mar 11, 2006 · 03-11-2006, 02:55. perf" simply open a socket and wait until some text is returned. Run zabbix_get -s 127. service[https] Functions ok: net. Has anyone heard of a plugin or a way to forward Zabbix agent data to a TCP or UDP port? I'm basically trying to get the agent data that zabbix collects and push it to a UDP or TCP listener without having to query the Maria database directly. 1=port is reachable, 0=no answer. port [clientagent,3306] check on an agent (monitored by a proxy), the check is done FROM clientagent to clientagent ? So a misconfigured firewall between clients and the server will not be detected. "http" sends a "GET" request first to get a response), but the result is not validated. port: number: no: The configuration parameter ListenPort value if set and not default agent listening port. 3. I know this can be determined using exit code of *NIX telnet (as I recall if Connection is refused - port is simply closed and if Timeout - blocked, etc) I had difficulties with net. 07-09-2023, 17:39. port "Checks if it is possible to make TCP connection to specified port" 2 net. Address: IP address/DNS name to connect to. This address is used to connect to both active and passive proxies. There is nothing on zabbix logs related to port 10443, it's like zabbix is not doing anything. Click on the parameter to see the full details. -t Code: ssh -vvv -N -f -L 10050:localhost:10050 root@yourserver. port says: "Checks if it is possible to make TCP connection to specified port. Zabbix agent to server: TCP/10051. Modbus. Do not keep trends older than (in days) Oct 2, 2015 · Now the solution in that thread was to lower the timeout = 1 in the config file but i have a large number of servers so this isn't really do-able. service[ssh ,2222] net. Aug 11, 2020 · Have you ever wanted to automatically discover and monitor all your listening TCP ports for one machine? In this blog post, we will teach you another simple way to do it. and works only for Linux. 3) is using for it's agent communication due to another application already using ports 10050 through 10055. x,443] or net. #3. service" and "net. The item to use in the discovery rule is the. 1) port - port number. service["http"] "Creates a TCP connection without expecting and . If set to 0, passive checks are disabled and the agent will not listen on any TCP port. Also, we can provide some examples how configure firewall to allow Zabbix traffic. setsebool -P zabbix_can_network 1 Jan 19, 2021 · Hi, The doc for net. I have one more question for you. Do not keep history older than (in days) For non local historical data only. tb nw lv nc np je jo ke aj ls