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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	30,799
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	40,834
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,350
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,101
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,242
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	228,047
[SOLVED] DenyHosts not Sync'ing SteveH0773	04-07-2016 08:16 AM by SteveH0773	2	1,103
[SOLVED] Unix-chkpwd problem with Linux-PAM-1.1-1 trying to run su from shadow-4.1.4.2 hoes	04-07-2016 03:25 AM by keypress	4	39,302
How to configure vsftpd to use /opt/authenticate jpereira123	04-06-2016 05:46 PM by jpereira123	0	929
[SOLVED] Many editors vulnerable to ln attack ballsystemlord	04-05-2016 07:08 AM by sundialsvcs	4	828
[SOLVED] zorin os linux possibly compromised linux distro and website ballsystemlord	04-04-2016 10:59 PM by JJJCR	4	868
Alert (TA16-091A) Ransomware and Recent Variants tronayne	04-04-2016 12:21 AM by JJJCR	1	1,073
[SOLVED] Locking down local user permissions??? csm.teb	04-02-2016 10:20 AM by Mahesh12	7	808
Monitor indiviual users' network traffic from my firewall ? Dark Carnival	04-01-2016 01:59 PM by Francmar	2	2,826
[SOLVED] If iptables default policy is DROP, does that stop all traffic? ( 1 2 ) JockVSJock	04-01-2016 12:30 PM by Turbocapitalist	16	9,619
Laptop Bluetooth security paranoidtooth	04-01-2016 12:11 PM by paranoidtooth	3	729
Stop to edit /proc/PRD/coredump_filter file peed	04-01-2016 03:26 AM by sbaynes	3	2,097
Odd behavior, is it a virus dgoddard	04-01-2016 12:46 AM by unSpawn	4	807
SSSD or NSS ??? [OT] smith121	03-29-2016 01:00 PM by /dev/random	1	878
[SOLVED] CVE-2016-0800 - DROWN security vulnerability ilesterg	03-27-2016 02:15 AM by ilesterg	3	1,698
SSSD or NSS ??? ajithkt	03-25-2016 04:25 AM by rhoekstra	1	3,176
[SOLVED] OPENVAS not scanning RHEL Server jobart08	03-24-2016 06:58 PM by unSpawn	5	1,195
Is this a code injection attack via my website? ( 1 2 ) akalinin	03-23-2016 08:31 PM by JJJCR	15	2,419
gnutls-cli-debug and TLS 1.0 question YankeePride13	03-23-2016 10:32 AM by YankeePride13	2	1,998
[SOLVED] how to Verify an RPM for given Common Vulnerabilities and Exposures sathish6105	03-23-2016 02:27 AM by sathish6105	3	1,840
cifs-utils-6.4, mount.cifs setuid root - is it safe? atelszewski	03-23-2016 02:10 AM by A.Thyssen	8	7,199
Getting Ubuntu 15.10 Live a locked screen (screensaver) Cyberman	03-22-2016 11:26 PM by Cyberman	4	815
Protective partitioning: is it effective? Sen-Dion	03-22-2016 12:24 PM by Sen-Dion	2	594
Role based access and security sunnysthakur	03-21-2016 04:48 AM by sunnysthakur	4	648
My server got hacked documetaltux	03-20-2016 08:54 PM by JJJCR	8	2,014
VNC and Ports. hack3rcon	03-20-2016 01:27 PM by hack3rcon	2	1,393
[SOLVED] quick question regarding getting hacked recently mtdew3q	03-19-2016 06:08 AM by unSpawn	2	663
what runs on port 32764 and 49152? (ctd) Mr Wolf	03-19-2016 05:38 AM by unSpawn	4	836
Disable Networking meltybits	03-19-2016 05:13 AM by unSpawn	2	773
Stop sending Spam. hack3rcon	03-19-2016 04:28 AM by unSpawn	9	1,070
Linux hardening / security auditing browny_amiga	03-19-2016 04:18 AM by unSpawn	5	801
ignorant run of chkrootkit and got wierd chkutmp output...lotsa big integers??? linuxStudent11	03-19-2016 04:09 AM by unSpawn	3	988
Encrypted archive that validates itself against malicious change Ulysses_	03-18-2016 08:40 AM by sundialsvcs	6	641
Defense strategy against ransomware - Permissions of backup location dx486	03-17-2016 12:57 PM by sundialsvcs	7	1,256
Protecting files on an NTFS mount from non-auditors girarde	03-16-2016 08:52 AM by sundialsvcs	2	598
iptables - default output policy is ACCEPT still there is connectivity issue prkulkar	03-16-2016 03:50 AM by zhjim	10	1,328
Quebes OS - is this the way to go? robster54	03-15-2016 11:08 AM by offgridguy	7	1,942
iptables rules for a Linux web server. ( 1 2 ) hack3rcon	03-15-2016 01:05 AM by hack3rcon	17	3,167
[SOLVED] iptables-restore : Line 1 failed. hack3rcon	03-15-2016 01:05 AM by hack3rcon	6	12,347
how decode the passwd file's password? ( 1 2 ) browny_amiga	03-14-2016 09:55 PM by offgridguy	16	1,488
SSH User from Specific IP only Fracker	03-14-2016 01:29 PM by /dev/random	12	1,459
Convert iptables rules and rewrite. hack3rcon	03-14-2016 04:57 AM by zhjim	4	1,127
[SOLVED] Hacking the two-step authent. activation key thingy out of icedove (gmail)? Cyberman	03-13-2016 06:17 PM by sgosnell	1	668
Pulledpork error when installing with Snort brendan004	03-12-2016 02:49 AM by brendan004	0	1,100
Strange entries in mail logs rijo79	03-11-2016 06:28 AM by bathory	2	2,807
sudo slufoot80	03-11-2016 01:27 AM by ondoho	2	689
Is Linux susceptible to Ransomware ? ( 1 2 ) drmjh	03-10-2016 01:06 PM by linuxStudent11	23	2,580
MAC address spoofing & ACL'+ mazinoz	03-09-2016 02:00 PM by mazinoz	2	809
Linux, Active Directory and Token Based Authentication greywulfmc	03-09-2016 12:18 PM by sundialsvcs	3	2,408
Pros and Cons of programmatically modifying configuration file ravindrah	03-09-2016 12:14 PM by sundialsvcs	1	635
Want absolutely complete disk erasure without any possibility of virtual machine interference. GreyBeard	03-07-2016 10:38 PM by linuxStudent11	9	894

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