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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	30,791
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	40,794
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,336
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,093
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,193
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	227,961
SSH connection refused problem xeon123	03-01-2014 09:37 AM by tronayne	2	3,164
AFWall+ iptables help threehappypenguins	03-01-2014 05:57 AM by threehappypenguins	3	2,705
Pls someone with vast knowledge of Linux mail server (Sendmail) should assist me on . aobadun	02-28-2014 10:28 AM by TobiSGD	1	650
UFW blocks for months Ciohap22	02-27-2014 06:46 PM by Ztcoracat	3	2,046
How to block an ip number ( 1 2 ) countrydj	02-27-2014 05:39 PM by Linux_Kidd	15	1,340
Server Attacked code ( 1 2 ) PatriceJ	02-27-2014 04:54 PM by astrogeek	18	2,445
Scripts for rsyslog.conf to receive remote syslogs from esxi & xen host UnixAAP	02-27-2014 04:06 AM by voleg	1	4,269
AppArmor mike acker	02-26-2014 10:29 AM by sundialsvcs	2	1,337
need to change ACL mask to r-x for files to be created in directory faitrien	02-26-2014 06:08 AM by pedor	4	2,156
What are the option for IDS and IPS hermy7	02-24-2014 12:49 AM by hermy7	4	1,003
Malware infecting SOHO routers Xrandr	02-23-2014 09:18 PM by Xrandr	3	1,093
Bizarre attack infects Linksys routers with self-replicating malware Xrandr	02-23-2014 03:39 AM by unSpawn	1	850
checking security patches nlehrer	02-22-2014 10:40 AM by unSpawn	2	640
Can't Establish Connection L2TP/IPSec VPN nasvi	02-21-2014 04:44 PM by nasvi	0	3,132
Help me to reproduce an attack yzT!	02-20-2014 10:19 AM by Habitual	3	1,214
Heavy udp traffic on my centos server rahulgrover	02-20-2014 01:28 AM by unSpawn	1	1,060
Need “IP Address” instead of hostname in the /var/log/messages in Redhat server. Major Consultant	02-19-2014 07:18 AM by TenTenths	2	4,895
CVE-2014-0038: Linux Kernel Remote Memory Corruption Vulnerability unSpawn	02-19-2014 01:05 AM by unSpawn	1	1,786
/etc/xcke.cfg purpose postcd	02-18-2014 05:18 PM by unSpawn	1	862
Flash/Java/viruses/malware exploits derek.m	02-18-2014 10:52 AM by metaschima	9	1,166
[SOLVED] What a Rootkit has done ? Sasuke92	02-18-2014 08:21 AM by Sasuke92	4	739
US-CERT: TA14-017A: UDP-based Amplification Attacks (rev. 09 Feb 2014) tronayne	02-18-2014 07:51 AM by Linux_Kidd	1	2,677
Target Breach ( 1 2 ) Linux_Kidd	02-17-2014 02:47 PM by Linux_Kidd	24	2,466
Port scan shows ports open despite default iptables rule to DROP ( 1 2 ) welshdemon	02-17-2014 07:30 AM by yzT!	18	25,058
IPTables block multiple requests to port 80 query welshdemon	02-16-2014 05:18 AM by unSpawn	3	1,957
[SOLVED] Failing to save iptables log to a custom file yzT!	02-16-2014 04:09 AM by yzT!	2	1,457
Managed servers by an Intrusion software trungmv	02-15-2014 06:02 AM by unSpawn	1	716
Advice on using a Linux PC as a firewall / security solution? 003	02-14-2014 02:49 PM by lleb	4	1,516
Finnix 108 router sees traffic on interface, iptables not seeing it deadheadblues	02-12-2014 10:45 PM by deadheadblues	1	705
Can Auto login (non-root) be safe? ldmn	02-12-2014 09:52 PM by jefro	1	988
Postfix securing binding to specific files or scripts milanlukic	02-12-2014 03:33 PM by milanlukic	2	727
NSA Backdoors: Dangers of bad firmware ( 1 2 ) displace	02-12-2014 10:33 AM by hilyard	21	2,339
[SOLVED] gpg - Can't check signature: public key not found when decrypting file ilesterg	02-12-2014 09:52 AM by ilesterg	3	28,472
tripwire reporting unusal changes to /sys shadowbox12	02-11-2014 08:00 PM by shadowbox12	4	755
[SOLVED] SSHFS: How to mount remote directory of the root to non root user? postcd	02-11-2014 01:35 AM by postcd	1	6,027
[SOLVED] secure_path for sudoers kbscores	02-10-2014 07:24 PM by Corpus-Khu	8	9,623
Low worry permissions inquiry Corpus-Khu	02-10-2014 06:35 PM by Corpus-Khu	4	876
[SOLVED] How to find SSH user directory ilesterg	02-10-2014 03:33 AM by yongitz	7	2,743
email spoofing or a new kind of hacking? ( 1 2 ) JJJCR	02-09-2014 06:47 PM by JJJCR	15	1,402
[SOLVED] encrypted system with hidden real OS under fake OS lleb	02-09-2014 01:07 PM by lleb	11	1,376
Cgi attack solution. newbie14	02-08-2014 08:21 PM by Corpus-Khu	6	1,087
Iptables rules for Internet browsing (http, https) home desktop system? rng	02-08-2014 09:03 AM by rng	10	1,556
Should CRL from CA2 fail user auth with certs issued by CA1 if CRL from CA1? rosect	02-08-2014 07:07 AM by unSpawn	1	838
Port 80/UDP czezz	02-07-2014 05:30 PM by unSpawn	13	7,565
auditctl -l not showing any rules even though i have rules written in audit.rules alphaguy	02-07-2014 05:28 PM by unSpawn	1	5,458
[SOLVED] Strange network traffic when I'm not using the network. Hungry ghost	02-07-2014 11:21 AM by Hungry ghost	14	1,275
How to easilly encrypt file using 2048bit encryption? postcd	02-06-2014 08:10 PM by sundialsvcs	7	1,327
Application to DNS query mapping walter24	02-06-2014 07:28 PM by salasi	3	3,370
Snort alerts trtrb	02-06-2014 01:43 PM by unSpawn	3	1,985
[SOLVED] Help Me!! UFW blocking weird IPs? mryemeni	02-06-2014 12:33 PM by mryemeni	3	1,498

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