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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: 69,376
    01-11-2010 Go to last post
  1. Lightbulb Any way i can make linux only run signed code ?

    how can i make Linux (any distro) run only signed code ? it does not have to be signed by the author ,it can be signed by me. can we do that ? is...

    Started by jeorge_kabbi, 01-20-2014
    • Replies: 2
    • Views: 550
    01-20-2014 Go to last post
  2. What are HARDWARE firewalls for?

    I've talked to people who install "boxes" which do this. What do they have that iptables does not? Thanks.

    Started by resetreset, 01-13-2014
    • Replies: 5
    • Views: 705
    01-20-2014 Go to last post
  3. How to encrypt / password protect big linux file?

    Hello, i have around 20 backup files tar.gz with sensitive data. The sizes of these files are from around 200MB to around 20GB I want to secure...

    Started by postcd, 01-09-2014
    • Replies: 4
    • Views: 897
    01-17-2014 Go to last post
  4. Desktop assigned bad IP address through Devil Linux firewall

    Hello all, I'm trying to convert an old Pentium III I had lying around into a firewall and decided to use Devil Linux. I have a dual port adapter...

    Started by koan6, 12-28-2013
    • Replies: 1
    • Views: 839
    12-28-2013 Go to last post
  5. tracking pseudo-tty-less SSH sessions in Linux?

    In my continuing journey of learning more about linux security, I was delving deeper into disabling pseudo-tty allocation in ssh. Though a very...

    Started by SDSL, 12-23-2013
    • Replies: 5
    • Views: 1,316
    12-27-2013 Go to last post
  6. Unhappy Randomization Even Prior to 2.6.18

    Greetings, I'm doing a presentation for school on attacks against address space layout randomization. I plan on demonstrating either a...

    Started by StupidFlanders, 04-26-2013
    • Replies: 1
    • Views: 695
    12-25-2013 Go to last post
  7. /etc/hosts.deny missing ":" separator

    Hello, my Logwatch returns this: I read on the internet that there could be some nonprinting character and that command "cp /dev/null...

    Started by postcd, 12-21-2013
    • Replies: 1
    • Views: 826
    12-22-2013 Go to last post
  8. Anyone using "John the ripper"? Have a RAR file that has no known pass

    Hello... Found a couple of reference to "John the Ripper", and was wondering if anyone can help me with my problem. The docs state that a version...

    Started by jkwilborn, 12-16-2013
    • Replies: 2
    • Views: 2,287
    12-17-2013 Go to last post
  9. Other acl manipulation executables than getfacl/setfacl?

    I am familiar with setfacl/getfacl. However, I am wondering if there are any other executables/packages that maintain similar functionality with...

    Started by imagenesis, 12-05-2013
    • Replies: 0
    • Views: 815
    12-05-2013 Go to last post
  10. [SOLVED] installing Bastille on Debian

    How can I use the GUI to install Bastille on my debian system? Actually quite lost. Any sugesstions. Thank You

    Started by gregjunior, 11-20-2013
    • Replies: 4
    • Views: 1,868
    11-30-2013 Go to last post
  11. Monitoring of root logins / last log?

    Is it wise to monitor "last" log and get notiffied by email when an IP other then one i set appears? Or something similar?

    Started by postcd, 11-20-2013
    • Replies: 1
    • Views: 770
    11-22-2013 Go to last post
  12. [SOLVED] bastille for linux

    Will someone please point me to a bastille download for debian linux that is current....Thank you

    Started by gregjunior, 11-19-2013
    • Replies: 1
    • Views: 580
    11-19-2013 Go to last post
  13. Windows ssh server, linux user

    I would like to set up an ssh connection (tunnel) in order for me to pierce the bamboo curtain - I live in China. My friend, in Sacramento has a...

    Started by pengyou, 11-16-2013
    • Replies: 2
    • Views: 753
    11-18-2013 Go to last post
  14. How do you whitelist files for chkrootkit

    I ran chkrootkit and got Searching for suspicious files and dirs, it may take a while... The following suspicious files and directories were...

    Started by OtagoHarbour, 10-31-2013
    • Replies: 2
    • Views: 2,011
    11-09-2013 Go to last post
  15. rc.modules amd rc.local correct permissions

    Please what are the correct permissions for these files? My current: cd /etc;ls -l lrwxrwxrwx 1 root root 13 Mar 21 2013 rc.local ->...

    Started by postcd, 10-26-2013
    • Replies: 3
    • Views: 967
    10-26-2013 Go to last post
  16. Weak Linux Distro for practice ?

    I need to install some vulnerable web applications like Mutillidae,DVWA & other web apps to practice penetration testing.metasploitable 2 has these...

    Started by skorpinok, 10-19-2013
    • Replies: 6
    • Views: 1,814
    10-20-2013 Go to last post
  17. Question What is CIPE and device number?

    Dear pals, I am in research of the subject as part of my study lab - stuff is "Using IP Tables on Linux and setting the filtering rules" . I...

    Started by admod, 10-17-2013
    • Replies: 1
    • Views: 452
    10-17-2013 Go to last post
  18. Any script vulnerability scanner?

    Hello, please can you suggest any good, broad range file scanner? I mean linux script which will scan files on server and when some suspicious...

    Started by postcd, 10-02-2013
    • Replies: 1
    • Views: 648
    10-05-2013 Go to last post
  19. Hidden embedded bluetooth in laptops

    At least since 2009, manufacturers have secretly installed a hidden embedded bluetooth into laptops. This bluetooth is in addition to the bluetooth...

    Started by freebirds, 09-06-2013
    • Replies: 3
    • Views: 1,763
    10-01-2013 Go to last post

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