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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: 73,683
    01-11-2010 Go to last post
  2.  
  1. Security and Partitions

    Hello, I have a partition PA on the internal hard drive of my computer. I can boot on PA and launch a linux distribution. I also have another...

    Started by encoreuneffort, 11-05-2008
    • Replies: 1
    • Views: 1,030
    11-06-2008 Go to last post
  2. DDoS attack?

    Hi all, Our server may be under attack. Our host isn't very helpful so I'm trying to figure out if this is really an attack. Every night aroun...

    Started by Giordano, 10-30-2008
    • Replies: 7
    • Views: 9,710
    11-05-2008 Go to last post
  3. Shared SSH Server

    I have been using Linux for about 1.5 years. I am still a noob but feel free to go techy on me ;) I am setting up a machine on my campus for a...

    Started by Jawshie, 10-27-2008
    • Replies: 5
    • Views: 1,327
    10-31-2008 Go to last post
  4. HTTP authentication on Linux firewall

    Hello everyone, Generally,do we need to block HTTP access to activate the HTTP proxy for authentication? I'm using Endian firewall though....

    Started by uniquegodwin, 10-31-2008
    • Replies: 0
    • Views: 1,687
    10-31-2008 Go to last post
  5. Virus Software For Linux

    I realize that topics like this have been posted in this forum, but they have either said "linux doesn't need virus protection, only a stupid user...

    Started by n3wo, 07-08-2004
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 21,158
    10-28-2008 Go to last post
  6. NAT in already established TCP connections

    Hi everybody, This is my first post in the linux forum.:) I hope you can help me: I use iptables rules to manage the connections from internet...

    Started by dieguich, 10-27-2008
    • Replies: 0
    • Views: 2,030
    10-27-2008 Go to last post
  7. Red face Netcat

    Hi there Im trying to do these, but no luck! 1) I wanted to creat a script (netcat script) that when a connection is received, receives a string...

    Started by alejorom, 10-27-2008
    • Replies: 0
    • Views: 1,184
    10-27-2008 Go to last post
  8. Question Questions on Virusus

    Hey there, would you know if cookies can be harmfull. If so how can you search for them manually, and allso regular virusus in your computer. Thanks

    Started by dougie1809, 10-23-2008
    • Replies: 1
    • Views: 1,049
    10-23-2008 Go to last post
  9. iptables -p udp and -m udp

    Running ubuntu 8.04. Recently I was making some iptables rules to allow samba services. As a proof of concept: iptables -A INPUT -m state...

    Started by Shwick, 10-21-2008
    • Replies: 0
    • Views: 1,243
    10-21-2008 Go to last post
  10. Question Antivirus?

    I would install an antivirus on Linux. I know that this system hasn't problem with virus, but I would be sure that my friends don't receive infected...

    Started by lamp74, 10-10-2008
    • Replies: 3
    • Views: 2,009
    10-17-2008 Go to last post
  11. Securing a server

    All, We have a group of servers that sit behind a firewall, if you can call it that, and are only accessed after a port knock to a firewall...

    Started by investmentbnker75, 10-09-2008
    • Replies: 2
    • Views: 1,342
    10-17-2008 Go to last post
  12. Unhappy /etc/syslog.conf vs /etc/syslog-ng.conf

    greetings all,:) my box is a linux suse 10.3 i did not see the file /etc/syslog.conf. all i see is...

    Started by altarofscience, 10-15-2008
    • Replies: 0
    • Views: 4,955
    10-15-2008 Go to last post
  13. fake yahoo login ?

    I notice that when i log into yahoo acount from ubuntu, the login page is there for about 3 seconds, then the login and password boxes "jump" to...

    Started by bigvoo, 10-11-2008
    • Replies: 1
    • Views: 3,047
    10-11-2008 Go to last post
  14. Ask for help about LSM

    I'm a new learner of LSM. Anyone can tell me where can I find the detail information of LSM? The information I can find are all about the structure...

    Started by weiguixm, 10-09-2008
    • Replies: 0
    • Views: 977
    10-09-2008 Go to last post
  15. Rebuilding after rootkit invasion - need advice

    As a few members here know, I recently got blind-sided by what I'm almost certain was a rootkit. I've been limping along for the last week or so...

    Started by questio verum, 09-30-2008
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,001
    10-07-2008 Go to last post
  16. iptables port connection limit rule

    I'm trying to secure my ssh port with iptables. So far I successfully limit one ip to connect once a minute: iptables -A INPUT -p tcp --dport 22...

    Started by Shwick, 10-05-2008
    • Replies: 3
    • Views: 8,659
    10-07-2008 Go to last post
  17. securing compilers (gcc)

    so I need gcc installed on my server to build a few things that arent packaged in Debian. I'm concerned with user security though, since its really...

    Started by NeoIce, 10-05-2008
    • Replies: 4
    • Views: 1,175
    10-05-2008 Go to last post
  18. iptables mac filter behind a primary NAT firewall

    I'm beginning to suspect what I'm attempting is impossible, but will ask, incase I'm missing something obvious. I have a machine behind a nat...

    Started by meshur, 09-30-2008
    • Replies: 2
    • Views: 3,454
    10-02-2008 Go to last post
  19. simply frusterating bad cat BAD CAT!!

    I really hate to put this out there but maybe I cant get an answer anywhere because of how simple this really is but something isnt right and its...

    Started by hardstylurr, 10-02-2008
    • Replies: 0
    • Views: 873
    10-02-2008 Go to last post
  20. need help with netcat

    I just got netcat,I`m trying to use it to test my network.I cant seem to keep the CMD line(black screen) open. Every time I give the nc a command the...

    Started by jtechman, 01-24-2005
    • Replies: 2
    • Views: 2,918
    10-02-2008 Go to last post

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