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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
  2.  
  1. Antivirus Software

    I was just wondering if anyone had opinions on antivirus software. I"m looking for something that's powerful but easy to work with (obviously). ...

    Started by bradmatic, 03-11-2005
    • Replies: 7
    • Views: 4,001
    03-17-2005 Go to last post
  2. Firewalk

    Has anyone used Firewalk?

    Started by anamikasoni, 03-14-2005
    • Replies: 0
    • Views: 1,458
    03-14-2005 Go to last post
  3. shell questions

    i just want how to disable shell access, i did at /etc/shadow and changed that shell for home users is /bin/false but after that i realise that...

    Started by kamtono, 03-10-2005
    • Replies: 1
    • Views: 1,126
    03-14-2005 Go to last post
  4. iptables error

    I put this command in REDHAT 7.3 and iptables 1.3.0 #iptables -A OUTPUT -d messenger.msn.com -p tcp -j DENY it create the next error: ...

    Started by mrj, 03-11-2005
    • Replies: 1
    • Views: 1,399
    03-12-2005 Go to last post
  5. Two-factor authentication (aka, USB authentication in Linux)

    I would like to get/make a USB authentication program something like the one on: securikey.com, but theirs is only for Windoze (AFAIK). Does anybody...

    Started by n0tt00elite, 11-29-2004
    • Replies: 2
    • Views: 5,005
    03-11-2005 Go to last post
  6. Help setting up a firewall

    Hi, I guess its time I set up a firewall! Kinda stupid for not doing it sooner.... Im runing slackware 10 (might be 10.1). I have iptables...

    Started by dark_lord_kodd, 03-08-2005
    • Replies: 1
    • Views: 1,419
    03-09-2005 Go to last post
  7. named information

    after 2 weeks activate snmpd & mrtg on my LAN server i have some curious message on my /var/log/messages here is part of the message Mar 2...

    Started by kamtono, 03-09-2005
    • Replies: 1
    • Views: 1,104
    03-09-2005 Go to last post
  8. wats the status of Packet Capture Mechanism in linux?

    Hi Wats the status of the paper "ncap: Wire-speed Packet capture and tranmission" ....what has been implemented in this till now? Sowmya

    Started by Sowmya, 03-09-2005
    • Replies: 0
    • Views: 1,454
    03-09-2005 Go to last post
  9. port related info

    Hi, I'm working on simulating a port scanner...... How do I open a port tht is previously shown closed? Also needed info on security...

    Started by anamikasoni, 03-06-2005
    • Replies: 0
    • Views: 1,203
    03-06-2005 Go to last post
  10. Starting guarddog

    Hello,To all Can someone here help me please after having a hard time trying to get G/D installed i think i did it but i have no idea how to run...

    Started by Dogit, 02-18-2005
    • Replies: 8
    • Views: 4,043
    03-04-2005 Go to last post
  11. password trouble

    i`ve installed SUSE 9.2 2 weeks ago,and today when i tried to log in..i typed my username,and my password,i know them for sure,and they were...

    Started by Tanya, 03-03-2005
    • Replies: 1
    • Views: 1,113
    03-03-2005 Go to last post
  12. help me to understand iptables logs

    Hello, My logs from iptables look like this: Feb 21 10:07:38 servername kernel: ***INPUT PACKETS***=>IN=eth0 OUT=...

    Started by ddaas, 02-23-2005
    • Replies: 3
    • Views: 3,619
    03-03-2005 Go to last post
  13. Restrict access to a Directory for a SINGLE user

    hi .. as the subject says, how do i do it ?? I'll explain my problem ... i am using vsftpd with LOCAL Login enabled. i hav two ftp dirs, : ...

    Started by prosen, 02-17-2005
    • Replies: 6
    • Views: 26,016
    02-28-2005 Go to last post
  14. How to check user rights ?

    Hi, Is there a tool/script that gives me a print of the total user information about there rights ? Like a blue-print of the total Linux security...

    Started by Birdy_the, 02-22-2005
    • Replies: 5
    • Views: 49,761
    02-25-2005 Go to last post
  15. method to authenticate devices

    Hi, I found out with great astonishment that a worker in the firm where I work as admin came with his personal Notebook and introduced it in the...

    Started by ddaas, 02-20-2005
    • Replies: 2
    • Views: 1,199
    02-25-2005 Go to last post
  16. Wireless Scanning in Linux

    People that use linux like to do their wireless network scanning passively by putting the card in "monitor" mode (aka rfmon). The problem is,...

    Started by Mord, 02-24-2005
    • Replies: 1
    • Views: 7,889
    02-25-2005 Go to last post
  17. Recover a previous version of a file

    Hi, I just spent ages building a new proxy server and getting ldap authentication to work against Novell Edirectory. I got it all sorted then...

    Started by NikTheGeek, 02-23-2005
    • Replies: 0
    • Views: 1,777
    02-23-2005 Go to last post
  18. what's the worst a regular user can do?

    I want someone to do some research on my server. So I give them permission via useradd, and then remove them later on. I never gave them super user...

    Started by samf, 12-13-2004
    • Replies: 4
    • Views: 1,508
    02-22-2005 Go to last post
  19. Open Ports

    so far i have managed to close all the other open ports, but how do i close these: PORT STATE SERVICE 111/tcp open rpcbind 631/tcp open ipp...

    Started by cvncpu, 02-20-2005
    • Replies: 2
    • Views: 2,682
    02-20-2005 Go to last post
  20. Legality of Encryption...

    i've just started playing with GnuPG and came across a reference that said certain 'levels' of encryption are illegal in some countries. i've tried...

    Started by PsypherPunk, 02-17-2005
    • Replies: 1
    • Views: 1,974
    02-17-2005 Go to last post

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