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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: 49,384
    01-11-2010 Go to last post
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  1. Trying to decrease the amount of PCs on home LAN

    Hi all, I'm trying to decrease the amount of PCs I have at home while keeping my network and data secure. I have around 4 servers on my network,...

    Started by victorbrca, 08-19-2008
    • Replies: 4
    • Views: 689
    08-22-2008 Go to last post
  2. Encrypting a tarball

    I have quite a few log files i need to tarball, encrypt, and copy the files to a usb thumb drive. I do: tar -cf file.tar <directory where files...

    Started by tuxxman, 08-06-2006
    • Replies: 2
    • Views: 4,075
    08-15-2008 Go to last post
  3. root permission denied while luser can remove dir

    Originally I had posted this on justlinux.com, noone seemed interested and I was kinda wondering if either 1) they had all gone to determine root...

    Started by wrinkledcheese, 08-09-2008
    • Replies: 2
    • Views: 6,316
    08-09-2008 Go to last post
  4. Question including features in Jail environment

    Hi ... I was interested in making the Jail work and now I have it working ... .But some features I couldnt install .... like the man pages... i had...

    Started by kiwibird, 04-06-2007
    • Replies: 6
    • Views: 2,988
    08-08-2008 Go to last post
  5. Locked out

    Ok, I am brand new at this so bare with me. Just got a new netbook running Linpus lite and the first thing I always do is secure it, Enter a...

    Started by cccling, 08-03-2008
    • Replies: 2
    • Views: 750
    08-03-2008 Go to last post
  6. advanced help with OpenSSL

    hello all, i am deploying freeradius 2.0.5 on SUSE 10.3, and i use openSSL 0.9.8e. i intend to use this chain of certifiction with: 1 - CA...

    Started by revealmap, 07-31-2008
    • Replies: 3
    • Views: 910
    08-02-2008 Go to last post
  7. pakcage manager working ? newbie

    I have ubuntu 7.10 installed and working beautifully since last week. but since wednesday night, the bandwith light on my rounter has been going...

    Started by bigvoo, 08-02-2008
    • Replies: 1
    • Views: 615
    08-02-2008 Go to last post
  8. Has your DNS been patched?

    So, if you've been perusing the tech sites lately (and more specifically, security sites) like I do, you've probably seen articles about the recent...

    Started by Thrillhouse, 07-31-2008
    • Replies: 2
    • Views: 639
    08-01-2008 Go to last post
  9. idiot proofing users?

    I plan on setting up Linux with some people that aren't that competent and have borderline tendencies to destroy things. I have half the belief that...

    Started by Agent-X, 07-31-2008
    • Replies: 2
    • Views: 714
    08-01-2008 Go to last post
  10. removing openssh banner

    Hello, I am removing all banners from services, but ssh is giving me a hard time. I run Debian and the ssh is openssh v4.3. Is there any option to...

    Started by moya, 07-31-2008
    • Replies: 5
    • Views: 8,683
    07-31-2008 Go to last post
  11. iptables counting TCP

    I am trying to use ip tables to count different types of packets. Actually http, sql, all tcp and udp. For the example here I will just show one...

    Started by bistritapcv, 07-25-2008
    • Replies: 1
    • Views: 823
    07-28-2008 Go to last post
  12. Need help with SSH

    Hi, I'm running Debian etch on my fileserver. I have SSH running and configured for public key authentication and passwords disabled. What I...

    Started by pedx1ng, 06-29-2008
    • Replies: 2
    • Views: 819
    07-25-2008 Go to last post
  13. [SOLVED] HardDisk Encryption .

    I am building a NAS (media server and storage ) . One of my big concern is security .I am ready to use any tool LUKS , dm-crypt ,True Crypt ....

    Started by 91change, 07-24-2008
    • Replies: 0
    • Views: 841
    07-24-2008 Go to last post
  14. Juniper Netscreen vs Open Source?

    I've been evaluating a Juniper NetScreen SSG-20 for a few weeks now. I'm happy with the device but am a little concerned about the ongoing costs of...

    Started by mprog, 07-22-2008
    • Replies: 2
    • Views: 3,003
    07-23-2008 Go to last post
  15. Stopping services

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

    Started by clickit, 07-05-2008
    • Replies: 2
    • Views: 777
    07-21-2008 Go to last post
  16. Restrict a User from Uploading Files?

    I am wondering how I can restrict a user from uploading any files. Basically I am using a Linux server to host website files for web development...

    Started by rick_ca, 07-09-2008
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,603
    07-14-2008 Go to last post
  17. Mail server Cennection timed out for all smtp server

    I'am newbie for mail server. After I install CentOS 5.2. I try to send mail to my email. but It' not work. I get error msg from /var/log/maillog...

    Started by totiz, 07-10-2008
    • Replies: 1
    • Views: 2,119
    07-10-2008 Go to last post
  18. checkbox in php

    hi i want to use checkbox in php. i have function for each check should be running when this box is selected.how i can do this.

    Started by shyma, 06-17-2008
    • Replies: 1
    • Views: 1,300
    07-10-2008 Go to last post
  19. Couple of questions about format string vulnerabilities

    Hi everyone. I just starting reading a white paper about the so-called "format string attacks". The paper, which can be found at...

    Started by Master Blaster, 07-08-2008
    • Replies: 0
    • Views: 610
    07-08-2008 Go to last post
  20. Stopping a fork bomb

    I have a very unique problem with a fork bomb... I'm a game admin for a browser based real time strategy game written in PHP. A user managed to...

    Started by anubis2306, 07-08-2008
    • Replies: 2
    • Views: 3,611
    07-08-2008 Go to last post

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