Linux - Security Forum

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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	30,794
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	40,814
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,347
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,099
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,230
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	228,009
[SOLVED] How do you encrypt a USB partition with the Twofish cipher and SHA-512 hash? Cinematography	05-31-2014 07:41 PM by Cinematography	1	1,284
[SOLVED] Test your Linux skill chtois	05-31-2014 10:58 AM by unSpawn	3	899
[SOLVED] Systemd starts gpg-agent mysteriously and does not end it with the last login session Alpha90	05-30-2014 04:00 PM by Alpha90	6	1,661
fail2ban inconsistent in banning hackers compused	05-30-2014 01:56 PM by Habitual	3	1,087
How to restrict a specific user? johnsfine	05-29-2014 06:29 PM by dijetlo	1	765
Which group should own the /dev/input/event files? briselec	05-29-2014 04:57 PM by michaelk	1	763
Iptables block IRC Linux_Kidd	05-29-2014 01:54 AM by TenTenths	3	1,766
How to read "Firewall: TCP_IN Blocked" message? postcd	05-27-2014 02:41 PM by postcd	3	15,650
[SOLVED] iptables keeps loading instead of the service being switched off ronban	05-27-2014 02:02 PM by ronban	4	902
[SOLVED] enable nat with iptables MEETKAMBOJ	05-26-2014 11:47 PM by MEETKAMBOJ	7	1,263
Libvirtd keeps blowing away my IPTABLEs andrew44	05-26-2014 10:30 PM by andrew44	4	1,162
How to interpret ! or * in /etc/shadow vRanger	05-25-2014 09:25 PM by frankbell	1	1,209
Setup Reverse Proxy for an additional layer of authentication ccc	05-25-2014 08:39 PM by lleb	1	883
EMET alternative? Dfg	05-25-2014 05:37 AM by unSpawn	3	2,986
vnc server connection refused and port appears closed postcd	05-24-2014 10:11 PM by Doug G	5	3,472
ssh or VPN/VPS nyc_rr	05-24-2014 08:07 PM by nyc_rr	2	995
Is there any way to scrub specific folders only? dewon73	05-24-2014 11:21 AM by John VV	1	778
Not Able to Login in Redhat rwaki	05-24-2014 12:04 AM by GaWdLy	2	807
[SOLVED] iptables Specific IP & Port davidedwardgill	05-23-2014 09:35 AM by davidedwardgill	4	933
SELinux labling problem dyto	05-23-2014 07:43 AM by dyto	7	974
A little help to diagonse authentication failures from log plisken	05-23-2014 03:07 AM by unSpawn	1	1,004
@iptables: how to specify multiple specific ip addresses sudoiptables	05-23-2014 02:37 AM by unSpawn	2	1,235
[SOLVED] My system is receiving 15 GB of mail (via POP) per day from "PEGATRON" adrianmariano	05-22-2014 09:03 PM by adrianmariano	4	1,460
SPF record on a relayed email depam	05-22-2014 08:29 AM by MensaWater	1	716
Problem accessing samba share from Windows 7 using locally cached credentials MooseislooseJH	05-20-2014 09:35 PM by dijetlo	12	3,346
NAT rules through Cisco VPN CLient nicolas59000	05-20-2014 03:36 AM by paranoidx	1	672
[SOLVED] Unable to access Samba share with Ubuntu on Win7 crmpicco	05-19-2014 09:33 AM by ericson007	5	1,153
To authenticate using a fingerprint device at log-in screen in ubuntu sreeharsha1988	05-19-2014 03:02 AM by colucix	2	849
Ensuring GRUB2 / Linux / dmcrypt integrity salantrax	05-18-2014 11:29 AM by salantrax	2	1,607
Mod security denying file uploading in php newbie14	05-17-2014 01:33 PM by unSpawn	1	13,300
Help with John The Ripper (20$ closed in my cryptocoins wallet) NothingToLose	05-17-2014 01:02 PM by NothingToLose	1	1,012
Changing Cron Linux with PHP adumith	05-17-2014 06:36 AM by j-ray	1	798
Notification on multiple successful SSH connections wej	05-17-2014 04:52 AM by unSpawn	2	917
Prohibit public access to the folder adumith	05-16-2014 09:49 AM by MensaWater	8	983
military grade disk wipe ( 1 2 3 4 ) Red Squirrel	05-16-2014 08:13 AM by szboardstretcher	46	17,662
[SOLVED] Finding client-side vulnerabilities at compile time with GCC Gullible Jones	05-15-2014 11:30 PM by ntubski	2	899
How to work --connlimit-mask 32 on iptables? postcd	05-15-2014 10:14 PM by padeen	1	5,161
How to be immune to basic UDP/any port attack flood? postcd	05-15-2014 08:57 AM by Linux_Kidd	1	1,443
[SOLVED] Need An Audit Rule to Stop Logging Of A Specific Item - logs filling up rgsurfs	05-15-2014 04:27 AM by rgsurfs	3	5,112
Setuid command seems to not working whiteking	05-15-2014 12:16 AM by pan64	1	697
private key has no password... is this bad, right? L-user	05-14-2014 04:20 PM by namhuy	5	993
Security implications of a partitioning scheme ktandel	05-14-2014 02:03 PM by ondoho	2	881
How does the LSM Framework works ktandel	05-14-2014 01:23 PM by unSpawn	1	728
[SOLVED] OpenSSH: require both, Password and RSA-Key for root-login didi86	05-14-2014 05:24 AM by Turbocapitalist	8	2,471
Sendmail problem ilnli	05-13-2014 06:29 PM by unSpawn	5	2,324
Two server same DNS but different results ilnli	05-13-2014 06:27 PM by unSpawn	4	1,132
How to create a perfect keylogger drimer	05-13-2014 05:20 PM by unSpawn	8	1,630
DDoS Protection JoeSmith	05-13-2014 03:20 PM by namhuy	1	924
Help me harden our self-hosted Apache2 OwnCloud server ness2616	05-12-2014 06:40 PM by ness2616	10	4,701
[SOLVED] Can an attacker fill out IP option field to prevent using it for another purposes ? kikilinux	05-12-2014 02:59 PM by kikilinux	11	886

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