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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	242,191
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	227,960
How to make a key file for use with cryptsetup & luks taylorkh	09-01-2016 09:12 AM by taylorkh	5	2,670
[SOLVED] intruder ? miramarcos	08-31-2016 11:13 AM by ondoho	5	785
[SOLVED] key management & a cloned server taylorkh	08-30-2016 03:31 PM by taylorkh	3	520
PKI Smart Card Authentication christr	08-29-2016 08:42 AM by christr	1	1,212
What is IP0 bad-hlen in tcpdump? Rtwo	08-28-2016 04:49 AM by unSpawn	5	5,610
How to detect and block scanners -specifically OpenVAS based scanners rigged00	08-27-2016 06:42 AM by unSpawn	3	10,766
Browser indicates script is bugged, is this an indication of a hacker? Novatian	08-27-2016 02:47 AM by ondoho	13	725
[SOLVED] Encrypted data drives on a headless server taylorkh	08-25-2016 07:07 PM by syg00	5	1,489
[SOLVED] Fail2Ban fails to ban... :( lpallard	08-25-2016 12:48 PM by Habitual	3	2,913
malware attacks ( 1 2 ) Pedroski	08-24-2016 11:25 PM by malekmustaq	15	1,061
Firefox insecure connection message Pedroski	08-24-2016 06:14 PM by Pedroski	2	1,144
[SOLVED] Identify an encrypted partition by UUID in order to unlock with cryptsetup taylorkh	08-24-2016 09:29 AM by taylorkh	1	16,656
Security of Fedora, Salix 14.2 RC1, FreeBSD and SELKS? Novatian	08-24-2016 04:43 AM by unSpawn	8	1,126
Linux kernel 3.6 vulnerability to client to server attacks, and fix Novatian	08-24-2016 04:14 AM by unSpawn	2	755
How to close port till needed Jackpot	08-20-2016 07:40 PM by jpollard	6	640
[SOLVED] FYI: how to resolve "failed to update database: txt_db error number 2" in OpenSSL or EasyRSA sundialsvcs	08-20-2016 06:52 PM by sundialsvcs	0	67,327
Shopping deals malvare in chrome - active also on linux - how to remove? bighomofaber	08-20-2016 12:23 PM by 273	3	647
Full disk encryption options (don't say Trucrypt) Red Squirrel	08-18-2016 06:15 PM by John VV	9	911
Changing password authentication from DES to SHA 512 gazroobari	08-18-2016 05:51 PM by sundialsvcs	4	601
There are folders with php files that I did not created/uploaded in public folder(hack) ojslayout	08-16-2016 04:13 AM by Habitual	4	856
net.ipv4.conf.all.mc_forwarding CVE-2016-5696 charly78	08-15-2016 12:15 PM by ihaveavirus	7	2,918
Blocking IP with Firewalld lapthorn	08-13-2016 09:34 AM by lazydog	11	11,101
which ports are open? atux_null	08-12-2016 10:32 AM by Habitual	6	863
[SOLVED] Problem with new SSL Certificate and sendmail mfoley	08-11-2016 09:26 PM by mfoley	1	5,461
Forcing X windowing system (KDE, preferably also GNOME) screen lock? Liinuksi	08-11-2016 07:49 PM by jpollard	1	517
Securing the console by forcing log off regardless of application running Liinuksi	08-11-2016 03:37 PM by Liinuksi	4	551
Looking for a simple, light-weight blacklist manager for Ubuntu sundialsvcs	08-11-2016 08:17 AM by TenTenths	1	638
Implement password/account policies across multiple servers NoRearView	08-10-2016 08:58 AM by ihaveavirus	3	625
Is there a way to force a 2-Factor Authentication Code for SSH if a key is used? abefroman	08-10-2016 08:48 AM by TenTenths	1	630
Single outbound FORWARD chain command Is allowing ping replies Reprovo	08-09-2016 12:46 PM by vincix	11	4,180
Linux Security Tips glowkumar	08-09-2016 10:09 AM by TB0ne	4	745
RHEL5 - Unable to use pam_tally to reset account lock ClassANetwork	08-08-2016 10:53 PM by Z0sickx	8	9,203
FirewallD Configuration issues Justin2501	08-08-2016 04:34 PM by ihaveavirus	8	991
SELinux: netutils_t cannot open initrc_tmp_t files BozMan	08-07-2016 05:07 PM by unSpawn	5	1,192
Can't find all necessary offical debian websites to verify iso andrew.comly	08-07-2016 05:04 PM by unSpawn	2	930
[SOLVED] Can't find all necessary offical debian websites to verify iso andrew.comly	08-07-2016 01:38 PM by Habitual	1	70,776
My UbuntuStudio and Google Chrome Stable hacked - help please/advice if poss to track source m1bxd	08-06-2016 02:47 PM by m1bxd	0	747
Recovering Encrypted Drive Ray52	08-06-2016 01:17 AM by business_kid	6	566
Solution for syncing only security patches in RHEL/CentOS trijit	08-05-2016 06:32 PM by jefro	1	539
Modern read only media displace	08-05-2016 08:38 AM by rtmistler	1	767
Creative ways to increase security awareness in the office? pi3.14	08-04-2016 07:22 PM by Ztcoracat	2	902
Full disk encryption questions fred2014	08-04-2016 10:28 AM by fred2014	11	1,095
How to open communication between RHEL server & snmp (udp port 161) Hiroshi	08-03-2016 02:26 PM by MensaWater	5	4,585
RKHunter on 16.04 ubuntu miramarcos	08-03-2016 10:03 AM by Habitual	8	1,670
[SOLVED] Software Firewall dushyantg	08-03-2016 12:26 AM by dushyantg	6	888
no old password was entered slashroot	08-02-2016 10:46 AM by slashroot	0	3,759
I have 4 to 5 viruses every day under UBUNTU / FIREFOX says ClamTK ( 1 2 3 ) galien8	08-02-2016 01:40 AM by unSpawn	32	11,143
HOw to remove tzarmedia malware in Kubuntu 16.04. tlcasey100	08-01-2016 01:13 PM by yancek	2	1,173
Multiple login in single machine pdixit	07-30-2016 07:43 AM by smallpond	3	665
RedHat7 cellranking	07-29-2016 08:25 AM by ihaveavirus	2	825

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