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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: 52,435
    01-11-2010 Go to last post
  1. Question ip filtering and Port filtering

    ip filtering : - filter ip packets based on protocol { UDP ,TCP } , ports , src ip ,dest ip , packet type . Port filtering : - filter ip...

    Started by karana, 12-09-2009
    • Replies: 1
    • Views: 1,811
    12-09-2009 Go to last post
  2. External Authentication via RadiusNT

    I have radiusNT server , i want to authenticate my CentOS machines via radiusNT server i have six machines and one centralized radius server, i want...

    Started by codered0001, 11-25-2009
    • Replies: 1
    • Views: 910
    12-07-2009 Go to last post
  3. SElinux context login problem

    Hello ! I have installed SElinux (included SElinux kernel options) on my openSUSE 11.1 with kernel I`m using the "refpolicy-2.20091117"...

    Started by Bit-Devil, 12-05-2009
    • Replies: 0
    • Views: 1,971
    12-05-2009 Go to last post
  4. Pages are being modified?

    Hello, I noticed that my pages are being modified, Javascript is added that calls a script on an off-site server that will load a PDF file without...

    Started by higgenkreuz, 11-29-2009
    • Replies: 2
    • Views: 648
    12-02-2009 Go to last post
  5. Question Related to cryptography

    Can anyone tell me, how can I know the type of cryptographic algorithm by just manually looking at the cipher text or through which algorithm that is...

    Started by anujchadha, 11-27-2009
    • Replies: 0
    • Views: 596
    11-27-2009 Go to last post
  6. Client-side authentiation

    Dear linux fans! My topic is not strictly related to linux, but I still turn to this forum in hope to get some insight. I know they say in...

    Started by kristianlm, 11-23-2009
    • Replies: 4
    • Views: 608
    11-24-2009 Go to last post
  7. Recover encrypted LUKS partition that had been initialized in windows

    I have a usb hd that encrypted with LUKS. This hd was accidentally initialized in windows before I realized that I initialized the wrong hd. The hd...

    Started by yashi, 11-24-2009
    • Replies: 1
    • Views: 1,983
    11-24-2009 Go to last post
  8. IP Tables / MySQL

    Ok, I'm a little lost here and could use some help. Here's the situation - I have a website hosted on a VPS under CentOS. A part of the website...

    Started by megarock, 11-08-2009
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,663
    11-18-2009 Go to last post
  9. Need help duplicating password

    Hello, I am currently working on a project and have hit a brick wall. I will try to keep this short... basically we have Coldfusion app that...

    Started by crypthelp, 10-07-2009
    • Replies: 1
    • Views: 801
    11-18-2009 Go to last post
  10. Strange Requests On Fedora Server

    Hi Everybody, This is my first post here so please let me know if I do anything wrong or post in wrong place etc :] Anyways, I have a Fedora...

    Started by milonic, 11-17-2009
    • Replies: 1
    • Views: 1,144
    11-18-2009 Go to last post
  11. Smartcard two factor authentication

    Hi, I'd like to setup Smartcard two factor authentication on my my laptop. I'd rather use a card than a usb token but am at a loss as to what to...

    Started by yeleek, 11-04-2009
    • Replies: 4
    • Views: 1,641
    11-13-2009 Go to last post
  12. Angry Have my webserver been compromised?

    Hi, I'm running a small ecommerce webserver on a debian linux. I'm constantly watching the apache logs using a command like: tail -f...

    Started by strelok, 11-10-2009
    • Replies: 1
    • Views: 1,004
    11-13-2009 Go to last post
  13. Post What SSL is ?

    What SSL is ? what it does for a web server ? what it does not do ? ie. what kinds of security problems can still exist on a web server even when...

    Started by Radhakrishnan_k, 11-08-2009
    • Replies: 1
    • Views: 629
    11-08-2009 Go to last post
  14. Buildroot login

    I am not sure whether this is the right place to post this. But this seem to be closest forum. I have built buildroot to be run on ARM based...

    Started by tonysonney, 11-02-2009
    • Replies: 0
    • Views: 1,679
    11-02-2009 Go to last post
  15. Is it possible in Linux to restrict POP3 or IMAP for some users.

    Hi, Is it possible in Linux to restrict POP3 or IMAP for some users. I need a confirmation on this, that it is possible or not. Please reply

    Started by ravis123, 10-30-2009
    • Replies: 3
    • Views: 620
    11-02-2009 Go to last post
  16. Iptable rule set

    Hi, I am trying to configure linux iptable firewall in existing lan which includes squid server, web server and mail server can any one review...

    Started by ahamedoaa, 10-27-2009
    • Replies: 1
    • Views: 731
    10-30-2009 Go to last post
  17. Password security?

    I'm trying to figure out the best way to update my passwords, but can't think of any one-hundred percent safe way to do so, as far as keeping my...

    Started by arinlares, 10-24-2009
    • Replies: 2
    • Views: 732
    10-24-2009 Go to last post
  18. Encrypt root partition

    Hello. I am currently trying to modify a Linux ( - Mepis 8 - ) installer so that it encrypts the root partition too. I found some tutorials on...

    Started by RFahy, 07-05-2009
    • Replies: 2
    • Views: 1,663
    10-23-2009 Go to last post
  19. have I been attacked with Javascript?

    Hello all, I've been having some issues with the computer and today i was looking at the source for in my browser, and it came out to 4...

    Started by muton, 10-18-2009
    • Replies: 4
    • Views: 2,963
    10-19-2009 Go to last post
  20. defeating nmap -PN

    I've discovered that even if you block tcp/udp/icmp input and output to and from a host you can still port scan that host and find out it's open...

    Started by muton, 10-14-2009
    • Replies: 2
    • Views: 2,161
    10-18-2009 Go to last post

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