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Forum: Security

Post here for help with Linux security issues: antivirus, firewalls, encryption, vulnerabilities, etc

  1. Sticky Thread Sticky: A short guide to Linux security

    Here at we are often asked about the potential threat of a virus or malware attack. This short guide is designed to answer some of...

    Started by fingal, 02-25-2006
    • Replies: 1
    • Views: 73,152
    01-11-2010 Go to last post
  1. Recommended frequency of "yum update"

    In a Linux security essentials website somewhere I read that one of the recommended security practices is to run "yum update" so every now and then....

    Started by technossomy, 11-23-2005
    • Replies: 3
    • Views: 3,406
    11-23-2005 Go to last post
  2. ULIMIT question

    I want to test my Java and C programs for memory usage for which I'm trying to restrict the memory available to a dummy user. I've tried using the...

    Started by PrashantSehgal, 11-22-2005
    • Replies: 0
    • Views: 5,224
    11-22-2005 Go to last post
  3. SASL, Could not resolve KDC network Address!

    i use Heidmal Kerberos , Fedora 4 , Cyrus SASL- 2.1.19 when i try to run the sample client i got the following error:...

    Started by mesh2005, 11-21-2005
    • Replies: 0
    • Views: 1,495
    11-21-2005 Go to last post
  4. SASL, Server not found in Kerberos database

    i use Fedora 4 , MIT Kerberos 5 , Cyrus-sasl-2.1.19 my domain name is (as listed in the DNS) i tried to run the sample-server and...

    Started by mesh2005, 11-21-2005
    • Replies: 0
    • Views: 4,668
    11-21-2005 Go to last post
  5. FC4 security question

    I have a FC4 server machine running since the last few days and the installation went with the default security settings. I have since stopped a few...

    Started by technossomy, 11-19-2005
    • Replies: 2
    • Views: 1,047
    11-21-2005 Go to last post
  6. Fun with IPTables... and Forwarding

    Good evening all, Been around lately, searching the forums for various answers about Linux and Services and configurations. But this time.. can't...

    Started by EvilC0P, 11-20-2005
    • Replies: 0
    • Views: 1,570
    11-20-2005 Go to last post
  7. GrSecurity ntpd problem

    Hi, I've set up a gentoo hardened web server with hardened sources, grsec and pax enabled. I was in a rush to deploy so I didn't have time to learn...

    Started by humbletech99, 11-17-2005
    • Replies: 0
    • Views: 1,754
    11-17-2005 Go to last post
  8. Desperately need help. Server has been hacked.

    Hi Guys, My server has been hacked and I dont know where to start. Im pretty newbish at the whole linux thing and have been learning as i go. The...

    Started by byron, 11-17-2005
    • Replies: 0
    • Views: 1,165
    11-17-2005 Go to last post
  9. linux security

    i have heard lot abaut *bsd security and linux. generaly *bsd is more secure and stable then linux mostly becaus of its kernel. why dont guys that...

    Started by karantan, 11-01-2005
    • Replies: 4
    • Views: 1,419
    11-17-2005 Go to last post
  10. software like kerberos

    i tried to use Kerberos 5, but the configuration is very complex , anyone can help me to find another authentication system?

    Started by mesh2005, 11-14-2005
    • Replies: 4
    • Views: 1,136
    11-15-2005 Go to last post
  11. MandrivaSecurity MNF for i586

    Iv found this on the mandriva download section. Is it any good at protection a web server?

    Started by Mytob, 11-13-2005
    • Replies: 0
    • Views: 1,216
    11-13-2005 Go to last post
  12. IPsec

    Well, I want to use the HMAC-MD5 algorithm for computation of ICV in IPsec AH header? While using openssl/md5.h I got the following errors:...

    Started by Nicky, 11-12-2005
    • Replies: 0
    • Views: 1,262
    11-12-2005 Go to last post
  13. About ssh and iptables

    my mail server is trying to access other computers 22 port. how can i create a firewall rule to ristrict above access, i.e i wanted, no one can...

    Started by suneth, 11-11-2005
    • Replies: 1
    • Views: 1,136
    11-11-2005 Go to last post
  14. IPS

    Hi all , I am Looking For network intrusion prevention system i try to configure Snort. i am not succesful can any one me the how i configure...

    Started by devendra.meena, 11-10-2005
    • Replies: 0
    • Views: 4,607
    11-10-2005 Go to last post
  15. Linux Worm

    I found this on ./ today. Any thoughts? What precautions should we take? How do we know if we've been compromised? etc... Linux Lupper.Worm ...

    Started by jeremy1701, 11-08-2005
    • Replies: 2
    • Views: 1,107
    11-08-2005 Go to last post
  16. How To--

    Hi, Have couple of questions which had been on my mind and would want to brain storm with you all. 1. If the web server is running on...

    Started by lomaree, 11-01-2005
    • Replies: 1
    • Views: 1,339
    11-07-2005 Go to last post
  17. How to set up user/groups

    This might be better posted under the server's forum, but I think it applies better here. I'm not very good with this user rights stuff, so any...

    Started by seedsca, 11-06-2005
    • Replies: 0
    • Views: 1,970
    11-06-2005 Go to last post
  18. SHV4, SHV5 Rootkit Installed

    A customer of mine called me today and told me he thought his Linux FC 2 system was hacked. His dedicated server provider informed him of DOS...

    Started by ServerSurgeon, 10-22-2005
    • Replies: 3
    • Views: 57,294
    11-04-2005 Go to last post
  19. Windows antivirus to run from Linux.

    Is there any antivirus that searches and destroyes viruses for windows XP running under GNU/linux? If so where can I get it?

    Started by muxec, 10-29-2005
    • Replies: 2
    • Views: 1,422
    10-29-2005 Go to last post
  20. Security vs stability

    Hi, Our current servers use various linux distros. However, I am looking for the most stable, secure, and reliable server OS. I believe (from...

    Started by helpmhost, 10-19-2005
    • Replies: 3
    • Views: 1,259
    10-27-2005 Go to last post

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