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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: 52,790
    01-11-2010 Go to last post
  2.  
  1. 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: 7,579
    02-25-2005 Go to last post
  2. 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: 1,610
    02-23-2005 Go to last post
  3. 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: 1,347
    02-22-2005 Go to last post
  4. 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: 2,499
    02-20-2005 Go to last post
  5. 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: 1,689
    02-17-2005 Go to last post
  6. Stealthy packet filter

    I want to set up a linux box to do some custom packet filtering. I would like to be able to plug it into existing networks, without the box needing...

    Started by ekiller200, 11-30-2004
    • Replies: 1
    • Views: 1,390
    02-13-2005 Go to last post
  7. How to stop arp response

    Im using redhat9 kernal 2.4.22 in a LAN, i want to stop arp request & response in my system. Any of you plz help... Regds VEnkatesh

    Started by aashikan, 12-03-2004
    • Replies: 5
    • Views: 6,572
    02-13-2005 Go to last post
  8. Control Program Access To Internet

    Is there are program/firewall that would allow me to control what programs/commands can access the internet? Sort of like ZoneAlarm for Windows. I...

    Started by helpmhost, 02-11-2005
    • Replies: 6
    • Views: 2,633
    02-13-2005 Go to last post
  9. Need help securing box

    Hi all, I have nmap'd myself and ps -A and I shall post below my results. First of all can you please identify which of the ps -A results i need...

    Started by blue_wolf, 01-28-2005
    • Replies: 1
    • Views: 9,165
    02-11-2005 Go to last post
  10. SNMP Configuration Problem

    hi, i am trying to install MRTG on VPS. all the installation steps went fine.. but when i started configuring MRTG... there is a command called...

    Started by keenlearner, 01-27-2005
    • Replies: 8
    • Views: 24,335
    02-04-2005 Go to last post
  11. ipcop behind a router

    hi everyone, may be there are questions like mine answered before, but my browser setitings seem not work to work right in the search. basics:...

    Started by winterbottom, 02-01-2005
    • Replies: 1
    • Views: 4,116
    02-03-2005 Go to last post
  12. scan our website.

    zz.ourlinux.net friends and I are going to setup this website which pubishes monthly electronic magazine for Chinese Linux users. While we are...

    Started by HOUSCOUS, 02-02-2005
    • Replies: 4
    • Views: 1,586
    02-02-2005 Go to last post
  13. Security of the hard disc file system / deleted files

    How does the linux file systems allocate the hard disc space when I delete and rewrirte the files. Does it always write on “fresh” location that...

    Started by Juuzzo, 01-24-2005
    2 Pages
    1 2
    • Replies: 13
    • Views: 4,089
    02-02-2005 Go to last post
  14. rsh permission denied

    Hi All, I am having an issue where I am getting a permission denied message when I tried to RSH into a Linux Red Hat AS 3.0 box from Windows...

    Started by Tony Luong, 01-27-2005
    • Replies: 6
    • Views: 44,266
    01-28-2005 Go to last post
  15. iptables and port blocking

    Alright here's a question not sure if it can be done but here goes. There is a secure ftp site that we use only trouble is that if you just goto the...

    Started by enyalius, 01-11-2005
    • Replies: 2
    • Views: 6,524
    01-28-2005 Go to last post
  16. where can I find my iptables logs?

    hello, How can I view my iptables logs? I tried with logwatch but it says - iptables unknown service. thanks

    Started by ddaas, 01-20-2005
    • Replies: 2
    • Views: 25,181
    01-20-2005 Go to last post
  17. /bin/false again !

    thanks for reply my post but now i have some questions i read on G. Mourani books to disable account is add (* - asterisk mark) on front of the...

    Started by kamtono, 01-20-2005
    • Replies: 1
    • Views: 2,549
    01-20-2005 Go to last post
  18. Port Forwarding problem

    Not sure if this is the right forum but here it goes. Hey Guys, I hope you can help me here! I've searched the forum and tried multiple fixes on...

    Started by mollyrush, 01-19-2005
    • Replies: 1
    • Views: 6,566
    01-19-2005 Go to last post
  19. Stinking e-mails

    I keep getting e-mails from user_at_fantasticfamily_dot_net. As I own that domain, I am 100% certain that user isn't real. Of course they tell me to...

    Started by jeremy1701, 01-14-2005
    • Replies: 2
    • Views: 1,165
    01-14-2005 Go to last post
  20. /bin/false

    is it right, if i want to disable some account to access into my server (example using ssh client or whatever or putty) ?

    Started by kamtono, 01-11-2005
    • Replies: 2
    • Views: 8,302
    01-11-2005 Go to last post

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