Questions tagged [listener]

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Listening on all interfaces, multiple servers

I have a server listening on all interfaces for a port (using go net.Listen("tcp", ":{port}")). I also have backup server with the same code, to start if first server fails. Both ...
Lovish Puri's user avatar
1 vote
0 answers
73 views

Sockets: divergence in behaviors between linux and windows when binding to INADDR_ANY *and* another address with the same port

Say one attempts to bind two sockets respectively on the two addresses "0.0.0.0:12345" and "127.0.0.1:12345". Depending on the platforms I tested this on, the behavior changes. On ...
Fabio A.'s user avatar
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1 answer
905 views

WSFC DNN Listener Resolving to secondary in Availability Group

I have an Azure AO AG which consists of three servers (all WS-2019 & SQL-2019CU3): A - Subnet 1 - Principal Server (Sync) B - Subnet 1 - Secondary Server (Sync) C - Subnet 2 - Secondary Server (...
Lickrob's user avatar
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1 answer
203 views

How to implement a secured kafka environment with a public interface?

Scenario: Kafka cluster, secured with SSL encryption and SASL/PLAIN authentication, resides in an AWS private subnet within a dedicated VPC. Within the private subnet, all is fine. I use self-...
mjahr's user avatar
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1 answer
217 views

AWS listeners interfering with hosts file?

I’m trying to setup a temp WordPress environment to build a new website for a client, but I want to leave the old one in place until the last minute. The old site in up in AWS, new site is traditional ...
Paul Murphy's user avatar
1 vote
0 answers
151 views

Redirect Console Output ,Terminal (macOS, CentOS) / Cmd (Windows) to Remote Syslog or Server Logs

I have One workstation running multiple instances of Java applications by Console/Terminal for Testing, and I develop an application for Listening Logs, TCP like (http://esus.com/using-java-util-...
Anita's user avatar
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1 answer
706 views

Configuring MySQL to Listen for Remote Connections on Ubuntu

After I configured MySQL 5.7.20 to listen for remote connections on Ubuntu 17.10 Linux server, the database refused to restart. I had edited the /etc/mysql/mysql.conf.d/mysqld.cnf and made the ...
Sammy's user avatar
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485 views

Oracle database Listener error

Actually my connection in sql developer was fine while working yesterday. Today I cannot connect and when I checked the status of my listener(LISTENER1), it had, somehow, been terminated. When I tried ...
Lehis's user avatar
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0 answers
473 views

Can't install SSL cerificate - error AH00169 SIGTERM

I'm new to server stuff. On Azure I run VirtualMachnine based on Ubuntu 14. I install apache2 and everything workd fine. Now I need to add SSL certificate. So at default-ssl.conf I write: <...
Aleks Per's user avatar
  • 101
-1 votes
1 answer
153 views

G-WAN: "no listener" error after installation on Ubuntu Server 14.04 with XFS filesystem

I'm desperately trying to start G-WAN since two days without any progress, so please let me now ask for your gentle help because I'm becoming (more) crazy ! Here is the log after a start with ./gwan -...
ADtlas's user avatar
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Why isn't nc -vv -l -n -p 8080 working?

I can't get the command working, it should listen to 8080 I am out of idea's with this, any support on this matter?
Marco's user avatar
  • 307
2 votes
1 answer
2k views

Keepalived with apache unable to bind interface on Backup server

I have two debian 6 servers running keepalived 1.1.20 with one server acting as a Master and the other as a Backup. Both servers host apache 2.4 that have a global Listener on all interfaces on port ...
davideagle's user avatar
1 vote
2 answers
3k views

Can Sendmail Mail Server Listen on Multiple Ports?

Currently I have a dedicated mail-relay PS that I need to listen on multiple ports, 25 and 80. I know 80 is http, but because of the applications this is being used for it needs to be able to use port ...
Tyler's user avatar
  • 249
30 votes
7 answers
38k views

something like telnet, but "listen on", not "connect to"

With the telnet program one can connect to any TCP port on any host, but is there a way to listen on some port on current host? i.e. 1) on host a: telnet listen 12345 2) on host b: telnet host_a ...
user1020218's user avatar
0 votes
2 answers
241 views

Support needed creating Dovecot listener on Debian ( postfix)

I would like to create a dovecot lmtp listener under /var/spool/postfix/private/. Because postfix runs chrooted by default under debian. How can I do this? Grtz
Sven's user avatar
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1 answer
1k views

Solaris: FTP Server: listen on single IP (daemonaddress option in /etc/ftpd/ftpaccess?)

I am attempting to lock down the ftp server to listen on a specific interface instead of all interfaces. I added this line to the end of /etc/ftpd/ftpaccess daemonaddress 192.168.x.x The I ran ...
700 Software's user avatar
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3 votes
2 answers
2k views

Solaris 11: Make sunrpc listen only on localhost

There is an open port 111 (sunrpc) that I want to secure. On a fresh install of Solaris, how can I get this to only listen on localhost? This, I think, would be a cleaner way than using ipfilter, if I ...
700 Software's user avatar
  • 2,273
76 votes
3 answers
252k views

Listen to UDP data on local port with netcat

netcat -ul -p2115 fails with a usage statement. What am I doing wrong?
Tyler's user avatar
  • 863
5 votes
1 answer
5k views

Configure SSH to listen on Port 443 on a specific IP address [duplicate]

Possible Duplicate: Allow SSH only on one of a servers IP addresses I have two IP addresses, IP1 and IP2. Currently I have set sshd to listen on port 22 and port 443. The problem is that it ...
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0 answers
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listener could not find available handler for requested type of server

I run Oracle 11g on Red Hat 4 64 bit. Actually I have RAC but one node is down and I work only with up one (connection string point directly to listener of running node). I run test with not too big ...
Rodnower's user avatar
  • 179
2 votes
4 answers
13k views

mysql database listener

Is there any way to attach some kind of a listener to a table in mysql to monitor changes ? I have tried to search for this but not found anything. I would like to do this to create a ui with live ...
Zitrax's user avatar
  • 794