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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 linuxforums.org 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: 72,771
    01-11-2010 Go to last post
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  1. 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: 7,398
    04-12-2006 Go to last post
  2. 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: 2,893
    04-10-2006 Go to last post
  3. 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: 1,116
    04-07-2006 Go to last post
  4. 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: 1,394
    04-02-2006 Go to last post
  5. 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: 14,391
    03-28-2006 Go to last post
  6. 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: 1,314
    03-27-2006 Go to last post
  7. 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: 1,198
    03-27-2006 Go to last post
  8. 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: 1,228
    03-06-2006 Go to last post
  9. 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: 1,817
    03-02-2006 Go to last post
  10. 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: 1,328
    02-24-2006 Go to last post
  11. 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: 1,692
    02-21-2006 Go to last post
  12. 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: 1,293
    02-20-2006 Go to last post
  13. 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: 13,768
    02-20-2006 Go to last post
  14. 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: 1,595
    02-18-2006 Go to last post
  15. 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: 1,596
    02-18-2006 Go to last post
  16. 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: 3,701
    02-16-2006 Go to last post
  17. Securing My Debian Box

    Hi i was wondering if anyone here could help me in securing my box, I DONT have a clue about linux firewalls and ports and what does what only ever...

    Started by dr1v3r, 01-24-2006
    • Replies: 3
    • Views: 10,975
    02-16-2006 Go to last post
  18. Linux secure log

    I found that message in my /var/log/secure file: Accepted password for user-name from ::ffff:xxx.xxx.xxx.xxx port 50445 ssh2 The user-name is...

    Started by shuttler, 01-25-2006
    • Replies: 3
    • Views: 11,244
    02-13-2006 Go to last post
  19. proxies

    im really new to proxies (and just about everything else) and im looking them up on google. could anyone please help supplement / explain what im...

    Started by whisker, 02-11-2006
    • Replies: 1
    • Views: 1,439
    02-13-2006 Go to last post
  20. Exclamation Passwords without the encoding

    I have Linux Fedora Core 4. i will truely appreciate if someone can answer these questions.. Firstly in which file the passwords are writen in ?...

    Started by GiluR_101, 01-14-2006
    • Replies: 2
    • Views: 1,179
    02-12-2006 Go to last post

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