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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: 50,298
    01-11-2010 Go to last post
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  1. Air gapped computer proxying

    I purchased a replacement laptop, a Toshiba Portege R205. I air gapped it by removing the wifi, bluetooth, dial up modem, piezo electric two way...

    Started by BadBIOSVictim, 2 Days Ago
    • Replies: 1
    • Views: 160
    2 Days Ago Go to last post
  2. How to safely copy files to replacement computer?

    In November 2011, my linux boxes were infected with BadBIOS. I purchased over a dozen replacement computers and returned, sold or discarded almost...

    Started by BadBIOSVictim, 2 Weeks Ago
    2 Pages
    1 2
    • Replies: 10
    • Views: 314
    2 Days Ago Go to last post
  3. lost+found directory hiding malware. How to delete?

    Because of being hacked, I had switched to live linux DVDs. My personal files are stored on FAT32Crackers have infected all of my personal files on...

    Started by BadBIOSVictim, 2 Days Ago
    • Replies: 0
    • Views: 105
    2 Days Ago Go to last post
  4. security for online services

    hi I have a general question. I have received a few mixed answers already so I was hoping some of you guys could help me. I'm using an online...

    Started by zanoos800, 1 Week Ago
    • Replies: 3
    • Views: 164
    4 Days Ago Go to last post
  5. Should I use Golden Frog or Tails Linux for public wifi?

    I don't plan on entering any credit card info or things like that, but I'd like to log into sites instead of just web searching. Would using Tails...

    Started by Sharpghost6, 3 Weeks Ago
    • Replies: 1
    • Views: 282
    3 Weeks Ago Go to last post
  6. BadBIOS infected German Tor DVD has preseeds. Root pwned.

    This thread is part three: preseeds and file permissions. The first two parts are: 'Fake browser plugins in live linux DVDs' in Security section and...

    Started by BadBIOSVictim, 05-18-2014
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,144
    4 Weeks Ago Go to last post
  7. BadBIOS infected PCLinuxOS has Kismet streaming wav audio

    Last week, I posted in security section that PCLinuxOS FullMonty 2013.04, purchased from OSDisc.com, has fake browser plugins. Yesterday, I...

    Started by BadBIOSVictim, 05-21-2014
    2 Pages
    1 2
    • Replies: 11
    • Views: 877
    4 Weeks Ago Go to last post
  8. OpenSSL security advisory issued June 5th, 2014

    Here's the announcement. https://www.openssl.org/news/secadv_20140605.txt The short version is that you should upgrade the openssl package on...

    Started by cnamejj, 4 Weeks Ago
    • Replies: 1
    • Views: 321
    4 Weeks Ago Go to last post
  9. BadBIOS infected linux distros have multiple squashfs, busybox initrd

    A half a year ago, bartsimpson posted a thread warning PartedMagic in Ultimate Boot CD (UBCD) was tampered. linuxforums moved the thread to...

    Started by BadBIOSVictim, 05-18-2014
    • Replies: 3
    • Views: 867
    4 Weeks Ago Go to last post
  10. How to read "Firewall: *TCP_IN Blocked*" message?

    Hello, FTP users are getting blocked false by firewall (config server firewall), i need to learn what firewall rule triggering this block, so from...

    Started by postcd, 05-26-2014
    • Replies: 1
    • Views: 174
    05-27-2014 Go to last post
  11. vnc server connection refused and port appears closed

    I installed vncserver on my redhat, i installed same setup as i used on my last server where it worked. But now after start vncserver and trying...

    Started by postcd, 05-24-2014
    • Replies: 3
    • Views: 214
    05-25-2014 Go to last post
  12. Browser Hijack. Is there a way to block a domain?

    On hover, in Google Chrome, I am often redirected to other sites that display the attached screenshot telilng me to update my linux drivers. This is...

    Started by shyflower, 05-17-2014
    2 Pages
    1 2
    • Replies: 15
    • Views: 416
    05-22-2014 Go to last post
  13. How to be immune to basic UDP/any port attack flood?

    Hello, on server i have config server firewall and iptables. I would like server to be safe from basic UDP flood and any port attack flood....

    Started by postcd, 05-14-2014
    • Replies: 2
    • Views: 172
    05-22-2014 Go to last post
  14. How to allow only RELATED,ESTABLISHED TCP/UDP connections

    Hello, i got advice to Only allow RELATED,ESTABLISHED TCP/UDP connections for other ports such as 53 (DNS). so i want to ask what command i...

    Started by postcd, 05-15-2014
    • Replies: 4
    • Views: 216
    05-22-2014 Go to last post
  15. Fake browser plugins in live linux DVDs

    Firefox in PCLinuxOSFullMonty 2013.04 DVD, purchased from OSDisc.com last year, has 12 plugins. Eleven of the plugins are fake. They are not in list...

    Started by BadBIOSVictim, 05-16-2014
    2 Pages
    1 2
    • Replies: 10
    • Views: 552
    05-20-2014 Go to last post
  16. Tails 1.0 released

    For those Tails users the 1.0 version has been released. It can be obtained here..... https://tails.boum.org/download/index.en.html

    Started by docbop, 05-03-2014
    • Replies: 4
    • Views: 323
    05-19-2014 Go to last post
  17. New RFC to try and protect our privacy in the future.

    https://www.rfc-editor.org/rfc/rfc7258.txt

    Started by docbop, 05-14-2014
    • Replies: 1
    • Views: 134
    05-14-2014 Go to last post
  18. HDD SMART value: Seek_Time_Performance - how to read?

    Hello, my HDD has this value when i do: smartctl -a /dev/sda I just want to ask how should i read this data, if my value is alarming or...

    Started by postcd, 04-28-2014
    • Replies: 3
    • Views: 288
    05-09-2014 Go to last post
  19. How long does it take RSA key generate? What my key then?

    Hello, i tried to generate key using linux command "gpg --gen-key". And it prompted my details about key, and after confirmed password, it started...

    Started by postcd, 05-04-2014
    • Replies: 5
    • Views: 272
    05-08-2014 Go to last post
  20. Modifying tar.gz / tar file to prevent extraction?

    Hello, im making backups of sensitive data to my VPS, i cant trust owner of the VPS node fully. So i got an idea on which i need Your comments. ...

    Started by postcd, 05-04-2014
    • Replies: 4
    • Views: 229
    05-07-2014 Go to last post

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