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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 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: 52,072
    01-11-2010 Go to last post
  1. Squid proxy hardening.

    I have some questions about squid security. Firstly, my acl list is posted in the attachment. There is a line. acl manager proto cache_object ...

    Started by Felarin, 10-13-2007
    • Replies: 1
    • Views: 2,635
    10-14-2007 Go to last post
  2. Can we limit login failures from an IP address

    I searched but couldn't find anything like this. We get regular "dictionary attacks" on our ssh ports. People or programs trying various...

    Started by areeda, 10-04-2006
    2 Pages
    1 2
    • Replies: 11
    • Views: 8,588
    10-10-2007 Go to last post
  3. SELinux implementation with virtual machines

    I am working with SELinux for my final year project.My objective is to show how to prevent zero day exploits with SELinux.I am planning to use...

    Started by nengo, 10-08-2007
    • Replies: 1
    • Views: 843
    10-08-2007 Go to last post
  4. Tunnel VNC over SSH

    Hey, I have been working on this for quite some while.. Googled, tryed examples. But for some reason i just dont get it. I need to connect with a...

    Started by RobinVossen, 10-04-2007
    • Replies: 8
    • Views: 18,184
    10-06-2007 Go to last post
  5. Transparent Router/Firewall help needed!

    Hi, i am currently trying to make a router firewall that will be transparent and redirect all dns requests to opendns. I have decided to use a...

    Started by sdolin, 09-29-2007
    • Replies: 1
    • Views: 2,929
    10-06-2007 Go to last post
  6. chroot gdm

    Hello all I have been looking for quite a while now about chrooting info. I found out (almost) how to chroot a shell. But now I need to chroot the...

    Started by RobinVossen, 10-01-2007
    • Replies: 2
    • Views: 2,485
    10-05-2007 Go to last post
  7. Is this safe?

    I have been working on a Project for Quite a while now. And well I need to know for sure that this is safe.. So well I want your Opinion on this. ...

    Started by RobinVossen, 10-02-2007
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,115
    10-05-2007 Go to last post
  8. Shadow File

    In what encryption way is the Password saved in the shadow file? Since well, I have 3 users with same password. And the Hash is Diffrent every 3...

    Started by RobinVossen, 10-03-2007
    • Replies: 2
    • Views: 2,183
    10-03-2007 Go to last post
  9. SELinux

    I have just decided to learn SELinux and to demonstrate how to use it for my final year project. My main problem comes in the implementation...

    Started by nengo, 09-30-2007
    • Replies: 2
    • Views: 652
    10-02-2007 Go to last post
  10. turning off and on the kids internet access.

    # ============================================================================= # block kids : nate 23: tim d9: bob 78: rae 2f: #...

    Started by rharvey, 09-30-2007
    • Replies: 3
    • Views: 769
    10-01-2007 Go to last post
  11. SSH = Permission Denied

    While on the console, I am able to login and su - to root, as root, however, I try to access another machine on the network via ssh and given a...

    Started by mjc, 09-25-2007
    • Replies: 1
    • Views: 15,992
    09-26-2007 Go to last post
  12. ebtables package delivered with standard distros?

    Is the ebtables package delivered in any standard distros? The page in sourceforge claims that is is standard with Linux 2.6 and higher, but it is...

    Started by haral, 09-19-2007
    • Replies: 0
    • Views: 616
    09-19-2007 Go to last post
  13. Problem on running anonymous proxy

    Hi folks, Ubuntu 7.04 amd64 I have "SwitchProxy Tool 1.4.1", the addon of Firefox, installed and played around with it. SwitchProxy...

    Started by satimis, 09-19-2007
    • Replies: 0
    • Views: 942
    09-19-2007 Go to last post
  14. Question GPG file decryption and encryption without adding the key to the ring.

    Hi The Linux implementation of pgp, the GnuPG looks into the folder ~/.gnupg for the keys to encrypt or decrypt. Since the program i'm running to...

    Started by gjwilson, 09-18-2007
    • Replies: 0
    • Views: 803
    09-18-2007 Go to last post
  15. Apache2 + Php4 Security Problem

    Hi My Friends; Someone is adding html and php pages in my virtualhosts with using www-data user. How can i solve this security problem ? OS :...

    Started by muex, 09-14-2007
    • Replies: 0
    • Views: 596
    09-14-2007 Go to last post
  16. chmod 777

    I thought I made a Clean Linux Installation. So I did a find / -perm 777 and I found out that chmod has 777 rights.. Isnt that VERY dangerous?...

    Started by RobinVossen, 09-11-2007
    • Replies: 7
    • Views: 4,929
    09-14-2007 Go to last post
  17. strange root@(ip address) found

    While doing the commands from this post, I found this within the output... root@ A whois returns this... OrgName: Global Net...

    Started by Dapper Dan, 09-12-2007
    • Replies: 5
    • Views: 2,459
    09-12-2007 Go to last post
  18. Final Year Project Ideas???

    I am a 4th year CS student looking for help with project ideas.I am interested in Linux Security(Cryptography,ip tables,OpenSSH,network seecurity,...

    Started by nengo, 09-10-2007
    • Replies: 3
    • Views: 8,199
    09-11-2007 Go to last post
  19. Processes that should belong to Root

    I apologize if this has been asked before but a search didn't come up with anything related to my question. I was reading a book on Linux...

    Started by Zener`, 09-07-2007
    • Replies: 7
    • Views: 620
    09-09-2007 Go to last post
  20. Root account with no password.

    Hello, I'd like to do something that is opposite to this forum's name: I'd like to login as root without the need to specify the password. How do I...

    Started by kyku, 09-07-2007
    • Replies: 6
    • Views: 1,034
    09-08-2007 Go to last post

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