Questions tagged [ipc]

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16 views

How can I get Certbot to run after unresponsive login session?

A login session (under Jessie) running certbot -d example.com -d www.example.com froze, and when I tried to run Let's Encrypt's certbot from another session, it said, "Another instance of Certbot is ...
0
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1answer
58 views

Fail2ban only works with log files? [closed]

What about Unix sockets? I have created my own server application that needs protection. My two options: Creating a log file for fail2ban to watch Establish networking between my server application ...
0
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1answer
137 views

Google compute engine UDP service only accessible from external IPs

I have a small and simple UDP server that's been working in several hosting places for years. I just created a new vm in the google cloud, a Compute Engine, with linux. Default settings for a small ...
-1
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1answer
594 views

How does Apache spool STDOUT from a CGI script?

As part of a content management system I'm developing I have a script which retrieves image files (JPEG, GIF, PNG etc) in response to the browser GETing a URL like http://myserver/getimage.cgi/virtual/...
2
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1answer
5k views

Windows tries to access the IPC$ share before the provided one

I have a samba server where I have disabled access to the IPC$ share [1] for security reasons (users and shares enumeration, user info query, ...). I can access the data shares on this server without ...
3
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1answer
666 views

How to see nginx's shared memory usage

I'm investingating nginx's cache mechanism. I set the following in my nginx.conf. fastcgi_cache_path /run/nginx-cache levels=1:2 keys_zone=PHP_CACHE:4m inactive=5m max_size=1m; By keys_zone=...
0
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1answer
1k views

Simpliest unix non-blocking “broadcast” socket

I have non-regularly running program which outputs string, I need to send this output to some kind of socket which can be distributed out of docker container and which can be listened by multiple ...
6
votes
2answers
457 views

How to remove a “door” in solaris

I have a file of type "door" in solaris 10 (that is a means of interprocess communication). It is somehow left over and I would like to get rid of it. I can not just remove it with rm ... ls -l total ...
3
votes
2answers
530 views

Munin mysql plugins results inconsistent, with IPC::Sharelite store() error: Identifier removed

I've recently setup a munin-node on a CentOS server. All was working fine until I tried to add the apache plugin (which works fine). For some odd reason, the mysql plugins for munin that used to work ...
1
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2answers
4k views

Windows 7 uses always IPC$ as path when connecting to a samba share

I have a smb share : \mysmb\www When connection from Windows XP all runs fine. When connecting from Windows 7 I got an error like 'wrong password'. In smbd log I can see : Invalid username/...
0
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1answer
310 views

Symantec Backup Exec and connecting to IPC shares?

I am hoping to be able to have Symantec Backup Exec (2010) connect to some Windows machines via their IPC shares for backup. It seems to work for a couple machines I tried, but several others it's ...
6
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2answers
9k views

What are the semaphore arrays on Linux?

I understand semaphores, but what are these semaphore arrays being used on my Linux box? $ ipcs ------ Shared Memory Segments -------- key shmid owner perms bytes nattch ...
0
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1answer
68 views

Logging events from a remote machine

I have a setup where a process logs the current of the outlet of a power distribution unit (it's a Schleifenbauer PDU and a gateway). It polls continuously the values and writes them to a file with ...
2
votes
1answer
5k views

Permission needed for Named pipes on Windows 2008

Are there any special permissions needed for domain service account running a windows service which receives messages over named pipes? Hosting environment is Windows Server 2008. Background: We ...
1
vote
3answers
412 views

Unix domain socket firewall

I've got a problem with my debian server. Probably there is some vulnerable script at my web-serser, which is running from www-data user. I also have samba with winbind installed, and samba is joined ...
0
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1answer
3k views

How to get PIDs waiting on a semaphore

If I strace a stuck process and see output of the form: [gaius@redhat64 bin]$ strace -p 18185 Process 18185 attached - interrupt to quit [ Process PID=18185 runs in 32 bit mode. ] semop(458760, ...