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Linux - Security

Linux - Security This forum is for all security related questions.
Questions, tips, system compromises, firewalls, etc. are all included here.

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Rating Thread / Thread Starter	Last Post	Replies	Views
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	227,927
Sticky: If you infected by any of these recent ELF malware cases please contact us? ( 1 2 ) malwaremustdie	04-22-2019 10:06 PM by malwaremustdie	21	40,770
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,157
Sticky: More Alerts Alert (TA14-017A) UDP-Based Amplification Attacks (Revised 12 Apr 2016) tronayne	07-14-2020 10:32 AM by RickDeckard	2	30,785
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,331
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,089
Kernel Vulns ( 1 2 3 4 5 6 ... Last Page) unSpawn	05-27-2012 03:21 PM by win32sux	295	84,238
Mozilla Firefox Vulns ( 1 2 3 4 5 6 ... Last Page) win32sux	09-12-2013 03:36 AM by janiali	263	74,127
SSH login attempts ( 1 2 3 4 5 6 ... Last Page) Capt_Caveman	11-07-2009 09:55 AM by wym	225	100,669
LQ REQ: Real newbie HOWTO's, refs, etc etc. ( 1 2 3 4 5 6 ... Last Page) unSpawn	01-06-2006 07:09 PM by unSpawn	200	43,275
GNU/Linux Antivirus Megathread ( 1 2 3 4 5 6 ... Last Page) I'm a newb	01-12-2011 11:32 PM by win32sux	169	25,069
IM vulnerability for Message services in Linux(?) ( 1 2 3 4 5 6 ... Last Page) penguinlnx	03-26-2005 12:48 PM by penguinlnx	98	7,069
My Server (Deb5 and Plesk10) is involved (causing) in brute force attacks ( 1 2 3 4 5 6 ... Last Page) MartinM	05-12-2011 08:47 AM by sundialsvcs	96	7,608
(MHO) "Why you should be using VPN, not SSH ..." ( 1 2 3 4 5 6 ) sundialsvcs	11-16-2017 02:54 PM by Quantumstate	86	5,491
Where should this firewall script be placed? ( 1 2 3 4 5 6 ) wardialer	02-14-2005 07:06 PM by wardialer	84	6,217
Server compromised (exim headers) ? ( 1 2 3 4 5 6 ) pr1soner	02-19-2011 07:03 AM by unSpawn	82	13,120
Bash "shellshock" CVE-2014-6271 CVE-2014-7169 - rated 10 ! ( 1 2 3 4 5 6 ) syg00	10-15-2014 02:11 PM by unSpawn	81	38,881
heresy: windows security better than linux? ( 1 2 3 4 5 6 ) lawmaker	04-21-2006 02:18 PM by unSpawn	78	8,526
Crack my system - I think Firewall's are unnecessary ( 1 2 3 4 5 6 ) Xylon	04-18-2005 02:13 PM by win32sux	78	12,288
Linux Secure??? ( 1 2 3 4 5 6 ) Saquear	05-12-2005 06:24 AM by Saquear	77	7,674
Web Browser privacy ( 1 2 3 4 5 6 ) actinide	09-23-2019 07:23 AM by gomes0345	75	5,139
linux vpn ( 1 2 3 4 5 6 ) Red Squirrel	12-27-2008 12:46 AM by Red Squirrel	75	5,809
[SOLVED] Virus on Ubuntu 14.04 ( 1 2 3 4 5 ) apples45	05-10-2016 12:29 AM by apples45	70	5,907
[SOLVED] How do DarkSide do it? ( 1 2 3 4 5 ) business_kid	06-28-2021 07:54 AM by Trihexagonal	70	3,736
Configuring and Hardening a New Server to Replace Compromised Machine ( 1 2 3 4 5 ) sneakyimp	08-25-2011 05:22 PM by unSpawn	70	18,656
URGENT Help needed w LUKS on KDE Neon ( 1 2 3 4 5 ) qelpp	06-15-2020 05:22 PM by qelpp	67	5,767
CVE-2014-0160: Heartbleed Bug: OpenSSL Vulnerability ( 1 2 3 4 5 ) tronayne	04-21-2014 03:13 PM by Linux_Kidd	66	7,657
[SOLVED] NAT 1-1 for Three Public IPs on Ubuntu ( 1 2 3 4 5 ) debianfan	03-21-2010 10:11 PM by win32sux	61	13,614
Moved: What happend if somebody want to write virus for Linux kstan	-	-	-
Game server under attack ( 1 2 3 4 ) smallgamer	10-28-2011 03:16 PM by smallgamer	56	7,941
Entire OS checksum ( 1 2 3 4 ) softwarelabus	06-16-2011 04:16 PM by unSpawn	55	3,225
Gyrfalcon: Your country infects your OpenSSH ( 1 2 3 4 ) YesItsMe	08-02-2017 12:43 AM by 273	55	3,459
How to prevent spying keyboard input ( 1 2 3 4 ) indiajoe	03-21-2010 09:29 PM by win32sux	54	6,098
Is Linux secure enough? ( 1 2 3 4 ) williambhopal	12-20-2018 01:07 PM by dugan	51	3,562
iptables ( 1 2 3 4 ) Obie	08-20-2004 03:49 AM by barisdemiray	51	4,095
Think I've been had... how did they get in? ( 1 2 3 4 ) TruckStuff	08-19-2005 11:55 AM by TruckStuff	49	5,193
Can malware steal a password held in ram by a running process? ( 1 2 3 4 ) Ulysses_	01-07-2015 05:50 AM by cepheus11	49	3,156
Looking for some fun stuff to do ( 1 2 3 4 ) dirtydog7655	03-18-2011 07:51 PM by dirtydog7655	49	3,470
Centos LAMP Server with unidentified script causing server to port scan ( 1 2 3 4 ) ZS-	01-30-2011 07:27 AM by ZS-	48	6,851
How secure is Linux? Patching, static/dynamic analysis, etc... ( 1 2 3 4 ) watchintv	03-30-2023 05:22 AM by zeebra	47	1,524
creating IPtables ( 1 2 3 4 ) MrSako	08-02-2006 09:49 PM by MrSako	47	10,491
firewall setting ( 1 2 3 4 ) DanielTan	11-16-2005 10:09 PM by DanielTan	47	6,487
Security Breach at kernel.org ( 1 2 3 4 ) GazL	10-14-2011 11:49 AM by GazL	47	8,857
limit udp traffic per ip using iptables only ( 1 2 3 4 ) Obada	04-10-2017 09:15 AM by end	47	10,641
Server hacked ( 1 2 3 4 ) cpanelskindepot	07-05-2004 06:19 PM by HadesThunder	46	5,383
DDoS trough a VerliHub bug, apache is dead ( 1 2 3 4 ) c00kie	04-10-2007 05:42 AM by d3nv3r	46	14,314
military grade disk wipe ( 1 2 3 4 ) Red Squirrel	05-16-2014 08:13 AM by szboardstretcher	46	17,576
Poll: So How often does everyone scan their Linux Computers and what do you use? ( 1 2 3 4 ) Amdx2_x64	11-03-2010 04:18 PM by Amdx2_x64	46	4,728
Sendmail - RunAsUser=sendmail:mail/What files to i have to change ( 1 2 3 4 ) ForumKid	01-18-2002 11:47 AM by unSpawn	45	30,644
Weird loopback connection... ( 1 2 3 4 ) Djjules	10-03-2006 07:06 AM by dsh	45	4,688
Server very high load when wordpress was attacked ( 1 2 3 ) chobong	11-24-2015 09:19 AM by Habitual	44	6,675
HACKED Snort log posted ( 1 2 3 ) ghight	10-15-2004 12:48 AM by m_shroom	44	9,363
I've been hacked... NOW what? ( 1 2 3 ) websissy	11-06-2009 10:22 AM by salasi	44	4,543
Running Services Securely -- chroot and virtualization ( 1 2 3 ) Quantumstate	06-12-2011 08:03 PM by Peufelon	44	4,110
What does it mean that "Last login" message ( 1 2 3 ) istvank	02-28-2006 05:25 PM by Capt_Caveman	43	4,146
Poll: Password management - how do you do it? ( 1 2 3 ) MasterOfTheWind	07-29-2008 05:50 AM by alMubarmij	43	3,868

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