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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: More Alerts Alert (TA14-017A) UDP-Based Amplification Attacks (Revised 12 Apr 2016) tronayne	07-14-2020 10:32 AM by RickDeckard	2	30,804
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	40,846
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,353
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,108
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,262
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	228,066
[SOLVED] Intel cpu bug ( 1 2 ) _roman_	01-09-2018 04:01 AM by cynwulf	16	6,547
Neighbor's PC showing up in "Browse Network" ( 1 2 ) hifi100	01-07-2018 12:40 PM by geppy	15	1,706
Spectre exploit, how do i know if my system is vulnerable? coralfang	01-05-2018 02:13 PM by Zyblin	2	1,807
GPG file encryption prevents restore source file? czezz	01-04-2018 08:28 AM by ntubski	9	1,926
Splitting web server for web application and mobile app ( 1 2 3 ) newbie14	01-02-2018 01:28 PM by newbie14	40	2,952
How to check SSH Weak MAC Algorithms Enabled - Redhat 7 LittleMaster	01-02-2018 08:04 AM by sundialsvcs	2	11,639
Should Raspberry Pi 2B server that runs Tor hidden services be encrypted? cerber	01-02-2018 03:36 AM by business_kid	1	954
Removing User Name from Gnome Corrado	01-01-2018 02:48 AM by Corrado	6	957
Prevent entering suspected IPs to entire server cerber	12-31-2017 06:09 PM by Habitual	12	1,557
Selinux blocking gpg-agent from read smartcard maxfisher	12-28-2017 10:55 AM by John VV	1	1,123
iptable rules for my slackware ( 1 2 ) nejnej25	12-28-2017 08:39 AM by TheTKS	16	3,184
Slack Password Strengthen Configuration? nejnej25	12-27-2017 06:36 PM by nejnej25	3	910
ufw.log missing? t3dus	12-27-2017 02:36 PM by t3dus	3	2,825
Reconfigure the service to use a unique Diffie-Hellman moduli of 2048 bits or greater. LittleMaster	12-27-2017 09:39 AM by bathory	1	14,077
i need iptables to protect my server please help me Crey	12-27-2017 03:58 AM by descendant_command	5	1,170
IPTables with both nat and filter actions gatsby	12-24-2017 03:46 PM by lazydog	1	2,119
outgoing DNS with iptables fropa	12-21-2017 02:42 PM by geppy	5	2,455
Could wget read and download webpage texts guarded with Captcha ? BudiKusasi	12-21-2017 09:00 AM by MensaWater	3	3,624
How can I make Linux log things that a user does? Sol33t303	12-19-2017 04:11 AM by !!!	12	980
What steps do I take to make my OpenSSH server FIPS 140-2 compliant? edsut	12-18-2017 12:13 PM by edsut	11	15,032
[SOLVED] It's possible to recover a LUKS header with this data? Adriano_B	12-16-2017 08:36 AM by rknichols	13	6,478
[SOLVED] check for $HOME directory after a successful login ( ssh/scp ) paziulek	12-14-2017 03:07 PM by paziulek	1	869
Doesnt it defeat security purposes though? sigint-ninja	12-13-2017 08:45 AM by sundialsvcs	4	971
Is there an ntlm_auth API? mfoley	12-11-2017 02:31 PM by mfoley	2	1,057
[SOLVED] is encrypting hdd/partition a common security measure? ( 1 2 ) rblampain	12-11-2017 05:09 AM by rblampain	20	1,815
Any advice on how to secure my system? mazerunner	12-10-2017 02:44 AM by geppy	9	1,262
Unlock LUKS root at boot using encrypted pendrive WizadNoNext	12-07-2017 10:46 PM by WizadNoNext	0	1,303
chkrootkit: tcpd ( 1 2 ) merchtemeagle	12-04-2017 12:56 PM by ZacWolf	23	10,210
Linux- Security shivkumar4	12-04-2017 08:06 AM by TB0ne	1	756
Unknown location appearing in Gnome Files (Nautilus) bric	12-03-2017 06:29 PM by bric	2	1,091
SSL the 'other way around' deleted23	11-30-2017 10:24 PM by deleted23	3	1,239
pam_unix(sshd:auth): authentication failure; compused	11-30-2017 05:12 PM by compused	2	22,941
Hello! First post-a couple strange things LauraR	11-30-2017 10:06 AM by sundialsvcs	3	461
[SOLVED] How to Safely Install Closed Source Programs? .DEB Files in Mint/Ubuntu/Debian ( 1 2 ) NewLinuxFan	11-30-2017 12:22 AM by ondoho	17	1,515
Permission to restrict specific folder for sudo user gawandi	11-29-2017 08:01 PM by rknichols	1	769
[SOLVED] Python Selenium: Dealing with Active Directory Auth popup yakkmeister	11-29-2017 07:27 PM by yakkmeister	3	5,018
How to check system for trouble? firefox nightly and regular firefox acting strange. sirius57	11-28-2017 07:17 PM by sirius57	8	1,277
[SOLVED] iptables DNAT stopped working mfoley	11-27-2017 09:48 PM by mfoley	5	5,171
[SOLVED] How to enable secure boot on Debian Linux jjtan88	11-27-2017 03:49 AM by jjtan88	2	3,371
" Secure Boot Violation " Help !! NeilM	11-24-2017 06:45 AM by Keruskerfuerst	14	1,229
[SOLVED] encrypting data for php scripts anctop	11-23-2017 05:51 PM by anctop	14	944
KVM - Isolating DMZ VM Quantumstate	11-22-2017 03:49 PM by /dev/random	1	1,704
Unlock another user by non-root account CookieMan1337	11-22-2017 09:32 AM by sundialsvcs	2	2,111
iptables rule for accept SSH connection from a specific IP and forward other IPs. ( 1 2 ) hack3rcon	11-21-2017 06:14 PM by lazydog	23	3,509
use iptables to limit denial of server DoS mfoley	11-21-2017 06:05 PM by lazydog	5	2,450
Using "easy-rsa" vs. manually doing things? haertig	11-21-2017 01:21 PM by sundialsvcs	1	828
USB thumb drive security question/idea Ashrael	11-21-2017 01:41 AM by ondoho	1	978
How to log ssh user information? ( 1 2 ) LinuGeek	11-20-2017 01:05 PM by descendant_command	18	4,207
Another Equifax just waiting to happen... ( 1 2 ) Linux_Kidd	11-19-2017 01:03 PM by unSpawn	20	2,065
Infected or not otto#2	11-19-2017 12:55 AM by mralk3	13	1,242

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