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: If you infected by any of these recent ELF malware cases please contact us? ( 1 2 ) malwaremustdie	02-14-2018 06:00 AM by ruhirai	18	12,747
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	2,585
Sticky: More Alerts Alert (TA14-017A) UDP-Based Amplification Attacks (Revised 12 Apr 2016) tronayne	04-16-2016 05:45 PM by tronayne	0	11,423
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	7,483
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	203,201
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	187,085
non-root permission to the /etc/shadow? tvdtharindu	Yesterday 03:32 AM by tvdtharindu	2	188
WireGuard Mysterious Makefile Wayne Sallee	09-20-2018 10:53 AM by Wayne Sallee	5	186
HAPROXY and fail2ban - block IPs taumeister	09-19-2018 01:44 PM by taumeister	0	221
PAM module authentication fails satish.kumar.yarru	09-19-2018 03:28 AM by satish.kumar.yarru	4	131
Smart card login with CentOS Lesuno	09-18-2018 12:44 PM by Lesuno	0	160
[SOLVED] rkhunter no long updating under MX Linux galen	09-17-2018 04:56 PM by hydrurga	5	215
/etc/shadow LinuGeek	09-17-2018 04:03 PM by MensaWater	12	355
Telegram starting up on its own, unwanted. galen	09-17-2018 02:45 PM by galen	0	179
sudo/pkexec versus sandboxes bali	09-17-2018 10:45 AM by bali	6	268
SSSD configure with openldap issue sibyurik	09-17-2018 10:18 AM by sibyurik	1	125
Payload handler not starting emodev	09-17-2018 09:08 AM by emodev	2	148
Firewall Block packets to broadcast Mattpl	09-17-2018 01:06 AM by Mattpl	14	602
Are iptables-based firewall Policy settings the perfect back-stop? boombaby	09-14-2018 10:29 PM by boombaby	6	325
iptables neither systemctl or service starts it richard-g8jvm2	09-14-2018 05:00 PM by richard-g8jvm2	5	216
Browser with Proxy - how does it work Christopher Wylie	09-14-2018 04:26 AM by business_kid	3	254
Which file types can be safely skipped by virus scanner? grumpyskeptic	09-13-2018 04:33 AM by //////	5	281
Modsecurity and Nginx imadsani	09-12-2018 11:05 AM by kirukan	1	198
How can you tell how precisely your geographical location is monitored Ulysses_	09-07-2018 01:29 PM by salasi	10	398
[SOLVED] CentOS 7.4 - SSSD Crashes/Not Authenticating with AD soulinlinx	09-06-2018 10:28 PM by soulinlinx	2	290
Moved: [SOLVED] GR-Inspector for GNU radio laceupboots	-	-	-
ufw firewall blocking traffic from own IP tuxthegreat	09-02-2018 01:45 AM by tuxthegreat	2	239
Anyone know about cdio.hidderswera.club ? froufrou	08-29-2018 04:51 PM by dugan	4	732
ddos attack code using ns3 dkmbabazi	08-29-2018 04:20 PM by knudfl	2	285
Redirect connection to another IP and port mzool	08-28-2018 11:33 PM by mzool	5	253
[SOLVED] LUKS drive cannot be unlocked anymore (produces "Invalid argument" error) pusrob	08-27-2018 02:20 PM by pusrob	5	299
How to know which linux capability to set for an applicaiton? tsr1920	08-26-2018 12:44 AM by John VV	4	280
Aureport shows changes to accounts, groups, or roles, when there are none chrisr710	08-25-2018 07:16 AM by unSpawn	1	205
Capabilities listing command tsr1920	08-25-2018 07:04 AM by unSpawn	1	202
User command duration ( 1 2 ) wolodyj	08-23-2018 07:47 AM by wolodyj	15	473
Iptables rules for connection to a openvpn server gondola	08-22-2018 08:36 PM by smaclennan	7	342
Can't login as Root tech0925	08-22-2018 06:47 AM by tech0925	11	310
Non-English Fonts shreeraj	08-21-2018 06:46 PM by knudfl	2	200
[SOLVED] ClamAV found an infected file... should I use Darik's Boot and Nuke? ( 1 2 ) derezion	08-20-2018 01:28 AM by ondoho	18	659
yum list-security or yum --security check-update the_imax	08-17-2018 03:44 AM by the_imax	4	312
[SOLVED] problems with Ghostery anti-tracking firefox addon zentara	08-16-2018 08:08 AM by hifi100	8	340
wtmp missing p12funk	08-13-2018 12:25 PM by p12funk	2	294
Mathjax on GNU IceCat - and cloudfront.net and cloudflare.com GTrax	08-11-2018 03:58 AM by ondoho	3	265
disable password reset prompt at login for expired password lois54	08-10-2018 06:44 PM by lois54	0	295
"Authentication failed" error while logging as the root ad.pathak	08-09-2018 02:05 PM by TB0ne	5	329
[SOLVED] I have a SIMPLE question about U2F (yubico yubikey) and Linux PC taylorkh	08-09-2018 01:31 PM by taylorkh	3	391
[SOLVED] Decrypting file attempts to use sub-key and then gives 'No secret key' error. Noobux	08-08-2018 03:16 PM by Noobux	5	419
Clamav automated email forgottenski	08-08-2018 09:06 AM by forgottenski	2	201
iptables --limit 32/sec --limit-burst 32 alekseev	08-03-2018 09:06 AM by lazydog	1	307
[SOLVED] Not really sure what is going on, possibly compromised? teeps	08-03-2018 05:39 AM by ondoho	7	380
TDE Trinity Desktop Environment & Q4OS license: "GPL and other licenses" no-windose	08-03-2018 04:43 AM by ondoho	9	418
Privacy-respecting ways to share bookmarks between virtual machines Ulysses_	08-02-2018 12:47 AM by ondoho	4	255
Forward traffic via two OpenVPN connections to two different internal IPs: IPTABLES issue? keysman75	08-01-2018 10:02 AM by keysman75	1	235
Manually calling ldconfig to update /etc/ld.so.cache... dsl_	07-31-2018 07:49 AM by RandomTroll	10	411
open ports detected after running nmap. What to do? validator456	07-28-2018 08:50 PM by wpeckham	7	412
[SOLVED] How do I delete root-owned files when logging in as root is not possible? ( 1 2 ) magallanesj33	07-26-2018 11:31 AM by TB0ne	22	580

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