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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: 52,376
    01-11-2010 Go to last post
  1. Reg Dnatting

    Hi everybody, I am using Redhat 9.0 Assume my public IP : What ever requests come to the 5905 port on this ip should go to Http...

    Started by mummaneni, 04-17-2006
    • Replies: 0
    • Views: 730
    04-17-2006 Go to last post
  2. The Hackers Haven't Forgotten YOU !!!

    Latest from Yahoo. ...

    Started by OldBob, 04-15-2006
    • Replies: 1
    • Views: 996
    04-15-2006 Go to last post
  3. how do I check my proxy setting?

    this jerk tried to access my box using a known hack! How can check to see if my apache proxy settings are turned off or denied all? I think I should...

    Started by asif2k, 04-14-2006
    • Replies: 0
    • Views: 13,253
    04-14-2006 Go to last post
  4. Relay - Hacking - WHAT TO DOO ????

    I have had uninvited visitors on my server and are desperately trying to close a loophole My guess is that I have a loophole in my HTTP POST or an...

    Started by mikkelsborg, 03-28-2006
    • Replies: 2
    • Views: 3,415
    04-12-2006 Go to last post
  5. Giving users same rights as root

    I have 2 users on my account: root and tristan are the only 2 I use. Since I runa webserver, I use the GUI of RH 9 to edit my documents. I always...

    Started by tristanlee85, 04-20-2004
    • Replies: 5
    • Views: 6,737
    04-12-2006 Go to last post
  6. Cron Help

    Hello. I am new to Linux administration. We suspect that we had a security breach on our servers, and I am assisting in the investigation. Some...

    Started by jyearwood, 04-10-2006
    • Replies: 0
    • Views: 2,613
    04-10-2006 Go to last post
  7. Linux memory DoS - naughty applications like Samba!

    Hi, I've discovered why a couple of machines keep dying. They are pure processing machines running a small custom C program. This program does...

    Started by humbletech99, 04-07-2006
    • Replies: 0
    • Views: 977
    04-07-2006 Go to last post
  8. Linux firewall bootable floppy??

    I am interested in setting up an old computer to act as a firwall. I would like to know which one is the easiest to set up and configure that fits...

    Started by mrrichart, 04-02-2006
    • Replies: 1
    • Views: 1,143
    04-02-2006 Go to last post
  9. whois nobody

    guys, i have this such info on my etc/passwd, what does this mean nobody:x:99:99:nobody:/: i have finger it and the result was: ...

    Started by icedtea, 03-22-2006
    • Replies: 7
    • Views: 13,518
    03-28-2006 Go to last post
  10. How to expand secure/messages logs

    My Googling presented no clear answers to how to extend the logging period of the /var/log/secure and /var/log/messages logging files. They are...

    Started by Phaete, 03-15-2006
    • Replies: 1
    • Views: 1,066
    03-27-2006 Go to last post
  11. Xandros security

    Ok, the last version of Linux I used was when I tested a copy of Mandrake 8.2 back 3-4 years ago (I think) and a liveCD of Knoppix 4.0.2 that I have....

    Started by Faded_Mantis, 03-23-2006
    • Replies: 1
    • Views: 961
    03-27-2006 Go to last post
  12. Unhappy what do I need to do if one of my processes is a zombie?

    Yes... I typed top and got this: top - 21:51:12 up 6:28, 2 users, load average: 0.72, 0.57, 0.54 Tasks: 80 total, 1 running, 78...

    Started by daacosta, 03-06-2006
    • Replies: 2
    • Views: 961
    03-06-2006 Go to last post
  13. Lightbulb Secure your Linux Desktop (Incomplete)

    PREAMBLE This mini-guide is intended for those which still learning security specs or wish to implement an effective way to raise their security...

    Started by dothacktsukimoto, 02-17-2006
    • Replies: 3
    • Views: 1,438
    03-02-2006 Go to last post
  14. All In One Security Solution??

    I would like to know if there would be a way to bundle together seperate pieces of sotware to match the equivalent of Astaro Linux ? It seems...

    Started by sharpshooterofky, 02-24-2006
    • Replies: 0
    • Views: 1,103
    02-24-2006 Go to last post
  15. Anti-Virus

    Is it necessary to run a anti-virus since linux is far less prone to virus and spyware?

    Started by Thetwizler24, 01-31-2006
    • Replies: 4
    • Views: 1,363
    02-21-2006 Go to last post
  16. linking rc.firewall

    guys.. isnt that rc.firewall from /etc/rc.d is linked in (i think) /etc/ppp ? the question is, how can i make the link? wat should i do? isnt...

    Started by icedtea, 02-20-2006
    • Replies: 0
    • Views: 1,121
    02-20-2006 Go to last post
  17. Question: How do I block someone using MAC or IP Address? (IPTables)

    Splunking at my logs I found a long chain of unauthorized entries, already captured the IP's and MAC addresses, actually I use firestarter as my...

    Started by dothacktsukimoto, 02-16-2006
    • Replies: 2
    • Views: 12,966
    02-20-2006 Go to last post
  18. Hacked linux box

    Somebody has managed to find out a password into my linux box on internet. Is there a way, how can I find out, what he did during his session? He was...

    Started by durino13, 02-17-2006
    • Replies: 2
    • Views: 1,338
    02-18-2006 Go to last post
  19. Exclamation There was a blocked connection to my box

    Ubuntu doesn't have a firewall installed... So I had to install one... I dlded firestarter and started running it... Then I saw this on the...

    Started by daacosta, 02-14-2006
    • Replies: 3
    • Views: 1,211
    02-18-2006 Go to last post
  20. Subseven

    I installed firestarter firewall the other day and i had a strange outgoing log feb 15 time, outgoing, eth0, port:1234 "my server internal addy"...

    Started by Spagnuts, 02-16-2006
    • Replies: 0
    • Views: 3,439
    02-16-2006 Go to last post

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