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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	30,804
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	40,843
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,352
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,106
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,258
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	228,063
Is there any risk in accepting cookies ? ( 1 2 ) hifi100	09-27-2020 02:31 PM by ondoho	24	1,785
Re-importing RSA key ggiles888	09-25-2020 08:07 AM by sevendogsbsd	2	818
help with iptables bigpik	09-24-2020 03:06 AM by pan64	1	755
I am baffled once again; can malware stay in a computer even with the hard drive replaced? ( 1 2 3 ) cousinlucky	09-21-2020 02:20 PM by slackerz	41	1,950
[SOLVED] Ubuntu encrypt /home directory at install? lcharles	09-21-2020 01:36 PM by ondoho	5	1,877
Getting URL ERROR 9 - Server denied you to change to the given directory for YUM JockVSJock	09-21-2020 07:29 AM by TB0ne	9	16,121
My favorite searx site, so far: JavaScript-free search engines. Michael Uplawski	09-20-2020 01:45 PM by Michael Uplawski	0	2,075
Ubuntu 20.04.01, full disk encryption, btrfs, & hibernation? dusf	09-20-2020 09:10 AM by softwareguy	1	1,567
[SOLVED] Batch encrypting files with mcrypt taylorkh	09-19-2020 10:36 AM by taylorkh	2	1,079
Linux malware protection programs ( 1 2 ) cousinlucky	09-15-2020 05:05 PM by lleb	15	1,737
Is RKHunter worth the time? upnort	09-13-2020 10:03 PM by tinfoil3d	2	1,649
Security tools that needed for a web server. n00b_noob	09-13-2020 09:53 PM by tinfoil3d	1	742
Cached credentials not working after sssd restarts jergau	09-13-2020 06:44 PM by jergau	0	1,400
Which on these security warnings are serious? n00b_noob	09-13-2020 12:57 PM by n00b_noob	13	6,208
Improve these Firewalld rules. n00b_noob	09-13-2020 07:22 AM by n00b_noob	2	918
IDS or HIDS? n00b_noob	09-12-2020 12:34 PM by n00b_noob	7	794
Readable Primer on public-key cryptography and elliptic curves Michael Uplawski	09-12-2020 10:57 AM by Ser Olmy	1	799
Linux account type for security team fawaz25	09-11-2020 03:01 AM by pan64	2	677
[SOLVED] gpg not caching master passphrase slackerz	09-10-2020 04:47 PM by gouttegd	3	795
Files integrity checking centos8 NZHP	09-10-2020 03:37 AM by pan64	1	658
Is SELinux justified, for single purpose server? Gremlin2	09-09-2020 07:22 PM by berndbausch	1	766
This is a dubious or fake privacy initiative but how do you make it real? Ulysses_	09-09-2020 12:55 AM by Ulysses_	1	619
[SOLVED] cipher testy8888	09-08-2020 12:03 PM by Turbocapitalist	2	515
Suricata-ids on CentOS 8. n00b_noob	09-06-2020 08:45 PM by n00b_noob	0	1,364
Is kind of permission possible? n00b_noob	09-05-2020 11:17 AM by boughtonp	4	765
[SOLVED] Create a new account and permission. n00b_noob	09-05-2020 07:20 AM by ondoho	3	594
Mint App Manager--Is It Safe? crujones4	09-05-2020 07:00 AM by ondoho	2	725
Vulnerability with ssh SSH Server Supports Weak Key Exchange Algorithms James0806	09-03-2020 02:39 PM by sgrlscz	5	10,582
gpg cron wildcard vinmansbrew	09-03-2020 08:23 AM by berndbausch	2	694
Using sudoers to spread permissions around different users bionor	09-02-2020 02:32 PM by bionor	2	565
Change MAC address after every reboot lisamint	09-02-2020 12:45 PM by ondoho	9	2,267
Listening ports: upd & upd6 avahi-daemon? lisamint	08-29-2020 07:46 AM by lisamint	2	1,750
How to disable specific commands for just 1 Linux user? Akkys	08-28-2020 09:48 PM by tinfoil3d	3	781
[SOLVED] Possible threats in .cargo, .cache or .mozilla? budrz89	08-28-2020 02:55 PM by budrz89	1	1,025
[SOLVED] Fail2ban not adding rules to Iptables aboka	08-27-2020 08:40 AM by Erickzot	2	3,835
[SOLVED] gpg passphrase automation vinmansbrew	08-25-2020 11:34 AM by vinmansbrew	5	1,700
Logwatch not sending email to my @gmail instead the mail log showing local account? newbie14	08-23-2020 09:41 PM by newbie14	3	1,404
nftables - syntax errors Moritz83	08-23-2020 09:32 PM by Turbocapitalist	2	3,838
Cannot read mysql directory , although I am member of mysql group DiBosco	08-23-2020 07:37 PM by scasey	4	1,321
Chance of pw hash corruption and encrypted drive furface	08-23-2020 05:43 PM by berndbausch	5	719
TrendMicro Deep Security agent for Linux PC_load_letter	08-21-2020 11:24 AM by boughtonp	5	1,003
SSH X11 forwarding seems to have stopped working Uxhamby	08-19-2020 12:19 AM by rnturn	2	1,475
Google scam sites ( 1 2 ) manolakis	08-17-2020 02:43 PM by ondoho	15	1,194
Applications over X11 are not working blason	08-16-2020 11:34 PM by blason	3	2,518
The IP Address of The Attacker is not Detected in the Honeypot After Being Forwarded rama12345	08-12-2020 08:29 AM by TB0ne	1	240
Odd iptables Behavior with CIDR Notation pine13	08-11-2020 10:29 PM by pine13	4	369
How to see the last modified date of logrotate settings? DinoMLV	08-10-2020 10:35 AM by DinoMLV	2	921
iptable testy8888	08-08-2020 08:56 AM by agillator	3	914
How to Keep The Original IP Address After Being Forwarded? rama12345	08-07-2020 06:27 AM by boughtonp	1	747
Linux - Setting up User Policy per user timspeed	08-07-2020 05:45 AM by timspeed	0	209

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