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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: 72,094
    01-11-2010 Go to last post
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  1. Encapsulate ("tunnel") local outgoing packets using IPsec

    Can I encapsulate an outgoing IP packets using IPsec with different src/dst ip addresses using strongSwan? For example, the local host is...

    Started by arrowheart, 02-12-2009
    • Replies: 0
    • Views: 1,050
    02-12-2009 Go to last post
  2. question about default iptables config in ubuntu

    I was wondering about the security of the default iptables configuration in ubuntu. I know that it does not filter ICMP packets by default. Is that a...

    Started by LennythePingwin, 02-11-2009
    • Replies: 4
    • Views: 3,588
    02-11-2009 Go to last post
  3. Exclamation How actually packet traverse in IPTables

    suppose I have IPTable configured firewall on my box than according to the diagram of packet traversing in IPTables, the local process will be my...

    Started by priyadarshan, 02-11-2009
    • Replies: 1
    • Views: 2,242
    02-11-2009 Go to last post
  4. Keyboard-interactive authentication refused

    Hi All :D, Facing some problems with the password authentication with public/private key pairs in linux. Actually I had set my keys and tey were...

    Started by mail2sanand, 02-10-2009
    • Replies: 0
    • Views: 5,274
    02-10-2009 Go to last post
  5. [SOLVED] Can't update rkhunter

    I can't update rkhunter. Below is what is happening. How can I update to 1.3.4? Thanks for any help. # rkhunter --propupd File updated:...

    Started by iswigalot, 02-07-2009
    • Replies: 1
    • Views: 3,225
    02-07-2009 Go to last post
  6. Unhappy IPSec - Certificates

    Hi all, I am using open source ipsec-tools(racoon & setkey) for IPSec configuration. i am using Linux machine at one end and Windows XP machine...

    Started by Anandan, 01-30-2009
    • Replies: 0
    • Views: 1,098
    01-30-2009 Go to last post
  7. Full Command Logging?

    I am looking for a really good command logging tool to improve the auditing of my servers. I have previously used snoopy but this is currently a bit...

    Started by humbletech99, 01-28-2009
    • Replies: 0
    • Views: 1,120
    01-28-2009 Go to last post
  8. Exclamation Hey Im having problems with I guess trojans....?

    I was hoping someone here might be able to tell me how to remove any hidden attachments or files or anything of the likeness from existence. Is...

    Started by errigour, 01-26-2009
    • Replies: 2
    • Views: 967
    01-26-2009 Go to last post
  9. iptables ftp connection tracking

    Hi, Appreciate any advice on iptables with ftp connection tracking.The script below seem to work fine but I am not sure what am I missing. Did...

    Started by xdnox, 01-19-2009
    • Replies: 2
    • Views: 2,526
    01-22-2009 Go to last post
  10. How to edit iptables

    Hi, I want to change the already written script of iptables and reflect the new changes. the step i am following are as .. services iptables...

    Started by DanglingChap, 01-19-2009
    • Replies: 5
    • Views: 29,624
    01-21-2009 Go to last post
  11. Blocking processes at startup

    I want to turn off several services which I do not use (I think?) when I connect to the internet. These are (in rc.0 order): httpd, mysql, samba,...

    Started by clickit, 01-15-2009
    • Replies: 2
    • Views: 1,046
    01-20-2009 Go to last post
  12. Samba Subdirectories

    My username is in the "users" group in /etc/passwd. I am a member of "groupx" in the /etc/group file. Here is the very basics that I am using right...

    Started by thehemi, 01-15-2003
    2 Pages
    1 2
    • Replies: 13
    • Views: 13,827
    01-16-2009 Go to last post
  13. 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: 997
    01-05-2009 Go to last post
  14. 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: 4,906
    01-03-2009 Go to last post
  15. 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: 1,806
    12-30-2008 Go to last post
  16. 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: 1,513
    12-28-2008 Go to last post
  17. 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: 2,258
    12-24-2008 Go to last post
  18. 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: 3,636
    12-23-2008 Go to last post
  19. (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: 1,143
    12-19-2008 Go to last post
  20. 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: 2,131
    12-17-2008 Go to last post

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