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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: 73,453
    01-11-2010 Go to last post
  1. Authentication Services

    Hi All, 1. DNS- how to prevent user and host machine allowing and denying to access the dns server. 2. Squid- how to prevent user...

    Started by redhatwin, 09-06-2005
    • Replies: 1
    • Views: 928
    09-06-2005 Go to last post
  2. Editing /etc/profile? Can't as root

    I wanted to change bash history # lines kept and tried to edit this file, but says permission denied. -rw-r--r-- 1 root root 842 May 24 2004...

    Started by Tony44332, 09-04-2005
    • Replies: 2
    • Views: 11,821
    09-05-2005 Go to last post
  3. uh-oh, I think something bad happened to my slack box...

    Now this could be just my fault or I might have been cracked, I haven't any idea at this point. Lemme start off at the beginning though: Things were...

    Started by George Harrison, 08-10-2005
    • Replies: 4
    • Views: 1,621
    09-05-2005 Go to last post
  4. clmilter.sock missing help

    hi while i restart sendmail i faced this message WARNING: Xclmilter: local socket name /var/run/clamav/clmilter.sock missing i check on this file...

    Started by shafey, 08-31-2005
    • Replies: 0
    • Views: 2,341
    08-31-2005 Go to last post
  5. Any recommended KlamAV settings for a newbie?

    Yes, NOOB here. New to Linux and KlamAV. I installed it and have it running fine. By default in the options, it was set to consider compressed files...

    Started by snjbrian, 08-31-2005
    • Replies: 1
    • Views: 1,190
    08-31-2005 Go to last post
  6. Can someone give me a hand with CHROOT'ng a user shell for sftp? [SOLVED]

    Here is what I want: SFTP access, to put and get files. User probably needs the basics such as 'ls' etc. I do not want the user to be able to...

    Started by TheGreen, 08-30-2005
    • Replies: 0
    • Views: 1,871
    08-30-2005 Go to last post
  7. iptables- save, restore,enable

    In debian, sarge 3.1, kernel 2.4.27 how to 1) save the rules, normally put it into which folder? 2) restore the rules 3) enable iptables at...

    Started by sf433, 08-29-2005
    • Replies: 0
    • Views: 1,443
    08-29-2005 Go to last post
  8. strange results involving functionality of ethernet and wireless

    About a week ago, my ethernet card stopped working, but i figured out that it still worked in Windoze98 and in Morphix. a few days later, my...

    Started by cp0ff, 08-12-2005
    • Replies: 4
    • Views: 1,291
    08-25-2005 Go to last post
  9. Linux: Fewer Bugs Than Rivals?

    The story is old, from December 2004, but so far I have failed to track down the Standford University study mentioned in the Wired article...

    Started by greengrass, 08-19-2005
    • Replies: 2
    • Views: 1,157
    08-24-2005 Go to last post
  10. Openswan Policy Group

    I used to be working with freeswan policy group feature. Now I have switched to the Openswan. But it seems that it does not work. I mean there is no...

    Started by routerlabra, 08-24-2005
    • Replies: 0
    • Views: 1,246
    08-24-2005 Go to last post
  11. nmaping

    i was nmaping myself to see what results i got, but im not completely sure if my machine has been compromised, or what to do about it. i did: ...

    Started by st@sh, 08-23-2005
    • Replies: 2
    • Views: 3,230
    08-24-2005 Go to last post
  12. What do you think of Trustix?

    Hi people! Just wondering what you thought of Trustix and whether you've ever tried it..

    Started by JoelM, 07-14-2005
    • Replies: 5
    • Views: 1,427
    08-23-2005 Go to last post
  13. privilege: FSUID 's privilege decides rwx on files, not EUID's decision !?

    Normal rule: EUID: used for privilege checks (except for the filesystem) . ex: files's read/write/excute FSUID:used for filesystem...

    Started by superstition, 08-18-2005
    • Replies: 1
    • Views: 4,296
    08-19-2005 Go to last post
  14. Does spyware affect Linux?

    Hey guys I'm running SuSE 9.3 Pro and I'm wondering, does spyware and adware afflict Linux? Do I need a spyware removal tool? Thanks

    Started by asjt3, 08-18-2005
    • Replies: 3
    • Views: 7,978
    08-18-2005 Go to last post
  15. History

    How to view the history, who all have accessed a particular folder .

    Started by svmohankumar, 07-27-2005
    • Replies: 4
    • Views: 1,552
    08-18-2005 Go to last post
  16. Securing Open relays in squid

    Hey guys. I just got an email from my bandwidth priovider saying we have an open relay on our proxy that's being used by spammers. I'm a total newb...

    Started by Lt.Stink, 08-15-2005
    • Replies: 3
    • Views: 2,499
    08-17-2005 Go to last post
  17. OpenSSH Authentication

    Hi, Is there a way to require both a password and a key when logging in to an SSH server? Thanks.

    Started by helpmhost, 08-10-2005
    • Replies: 2
    • Views: 2,935
    08-12-2005 Go to last post
  18. Good Linux Firewalls

    Ok, I'm heading off to school in a few weeks, and I was wondering if there are any good firewalls for linux out there. See, I don't always have a...

    Started by afroguy013, 07-31-2005
    2 Pages
    1 2
    • Replies: 12
    • Views: 4,026
    08-09-2005 Go to last post
  19. Unusualy active firewall?

    I was recently having issues with some programs and decided to put my Linux box in a DMZ, and as a result, bypassed all the normal firewalling...

    Started by kkubasik, 06-30-2005
    • Replies: 2
    • Views: 1,362
    08-09-2005 Go to last post
  20. Hacked - Linux Redhat

    Hey folks, I am running two Redhat Linux boxes. One sits outside my router and has an external IP address. This box is a Webserver and DNS...

    Started by BananaBob, 06-21-2005
    2 Pages
    1 2
    • Replies: 15
    • Views: 5,142
    08-09-2005 Go to last post

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