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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: 70,674
    01-11-2010 Go to last post
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  1. Curious log entries on DPT=17071

    Last night 24 unique IP addresses all tried to 'connect' to port 17071 (using the UDP protocol) on my server within the course of a minute. Each...

    Started by Freston, 01-05-2009
    • Replies: 2
    • Views: 975
    01-05-2009 Go to last post
  2. iptables and vpnc

    I'm running VPNC on my wrt54g with DD-WRT vpn firmware. I'm using this script. When I telnet in and start VPNC everything runs smooth. I'm not...

    Started by lsmith, 01-03-2009
    • Replies: 1
    • Views: 4,833
    01-03-2009 Go to last post
  3. Firefox - banking details ......

    Firefox Users Beware of New Malware | TechJaws From the report . SYMPTOMS: Presence of the: %ProgramFiles%\Mozilla...

    Started by 23dornot23d, 12-12-2008
    • Replies: 9
    • Views: 1,702
    12-30-2008 Go to last post
  4. Exclamation ipchains

    Hi everybody. Below is my ipchains rules which i use for my gateway machine My set follows as given below Eth1 = External ip (ex:88.88.88.88)...

    Started by active, 12-27-2008
    • Replies: 1
    • Views: 1,471
    12-28-2008 Go to last post
  5. fwbuilder with iptables help

    Hey everyone! I just built a Linux box running Fedora 9 with an older PC I had lying around. I'm a PHP developper, so my intention is to run...

    Started by SpoonSauce, 12-24-2008
    • Replies: 1
    • Views: 2,191
    12-24-2008 Go to last post
  6. Bash fork bomb syntax meaning

    Not that I want to actually do this, but what exactly does :\(){ :\|:& };: *do* to kick off a fork bomb? Just trying to better understand. I've...

    Started by pgymjp, 11-20-2008
    • Replies: 3
    • Views: 3,565
    12-23-2008 Go to last post
  7. (sorry)linux have program can virus for windows

    yesterday my teacher told me. he say Linux have some program for Scan virus of windows. i think it's good if it can scan virus in windows cause...

    Started by lung, 12-19-2008
    • Replies: 6
    • Views: 1,134
    12-19-2008 Go to last post
  8. Arrow Emegency HELP!

    I am still fairly new to Linux and learn something new almost everyday. Please bare with me. Okay I have this computer hacker problem. This guy...

    Started by ubuntugirl, 12-16-2008
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,095
    12-17-2008 Go to last post
  9. Network Attack Coming from own IP

    boy I sure you guys are able to help me figure this out. I've been having some attacks lately and the originating source is my own IP: ...

    Started by part9282, 12-10-2008
    • Replies: 5
    • Views: 2,828
    12-13-2008 Go to last post
  10. weird text on shutdown

    I've been using ubuntu for a year now, and 8.4 for about 4 months, without any problems at all. the logout/shutdown is always the same. well,...

    Started by bigvoo, 12-13-2008
    • Replies: 1
    • Views: 990
    12-13-2008 Go to last post
  11. redhat linux 7.3 : account lockout

    Is that anyone know how to set the account lockout policy? example like when that user try 3 times logon failure, then the account will auto lockout.

    Started by ongch, 12-09-2008
    • Replies: 1
    • Views: 2,516
    12-10-2008 Go to last post
  12. Quick Security Question

    I am trying to convince a friend to give Linux a try, and he asked if a computer running Linux is safer than one running Windows, if they are both...

    Started by Avalon, 10-23-2008
    • Replies: 4
    • Views: 1,160
    12-08-2008 Go to last post
  13. Can we secure FTP on Sap XI and how to do it ?

    I'd like to know all the different ways to secure FTP on SAP XI and how to do it. Thanks in advance guys:banana:

    Started by pnorten462, 12-06-2008
    • Replies: 0
    • Views: 1,577
    12-06-2008 Go to last post
  14. GPG: Suddenly lost access to encryptet file

    Hello, A couple of days ago, I startet a process to create a new encrypted LVM-partition, and move everything I got from the regular LVM to the...

    Started by _fr0st, 10-28-2007
    • Replies: 2
    • Views: 3,522
    12-05-2008 Go to last post
  15. iptables -m recent conflicting

    Running ubuntu 8.04. I'm using the recent module in two different chains SSH_PROTECT and FTP_PROTECT. What I want is for an ip to be allowed to...

    Started by Shwick, 10-20-2008
    • Replies: 3
    • Views: 2,084
    12-02-2008 Go to last post
  16. how to jail ssh

    Hi, I really tried searching the internet for so many hours on top of my work but I haven't found the answer so Im asking for help again. ...

    Started by luv, 09-29-2008
    • Replies: 4
    • Views: 4,974
    12-01-2008 Go to last post
  17. 'segmentation fault' in ipp2p

    Hello , I have a question; I have to make an 'essay' on ipp2p for use on the school's firewall; I followed the tutorial that can be found here....

    Started by wouter, 11-27-2008
    • Replies: 0
    • Views: 1,247
    11-27-2008 Go to last post
  18. iptables firewall to block p2p traffic using ipp2p help pls

    Hello, I'm trying to get rid of kazaa and bittorrent traffic going through my box, and am having a crazy time trying to fix iptables. I've...

    Started by Atari, 08-10-2004
    2 Pages
    1 2
    • Replies: 10
    • Views: 29,783
    11-27-2008 Go to last post
  19. Public key SSH for non-login users

    Hi all, I'm having problems trying to ssh to the remote host with the sudo'ed account, the story is as follows: Using my own account: 1. I...

    Started by kostaky, 11-25-2008
    • Replies: 0
    • Views: 1,443
    11-25-2008 Go to last post
  20. how can i get infected by a rootkit

    hi all, a very general question: hello, lets say i am on my user account (ie, non-root) on computer with linux. how can i get infected by a...

    Started by adriangolding, 11-19-2008
    • Replies: 3
    • Views: 2,532
    11-19-2008 Go to last post

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