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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: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	227,902
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,137
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,086
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,329
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	40,756
Sticky: More Alerts Alert (TA14-017A) UDP-Based Amplification Attacks (Revised 12 Apr 2016) tronayne	07-14-2020 10:32 AM by RickDeckard	2	30,781
DISA STIG Compliance Scripts/RPM's ( 1 2 ) zcrxsir88	03-17-2017 12:32 PM by RossLeeRichard	21	50,076
Trying to create a Certificate Signing Request with my Certification Authority tsbah	03-19-2017 09:17 AM by tsbah	7	5,035
syslog over tls to multiple siem's sunriver61	03-20-2017 08:45 AM by sunriver61	0	914
Squid configuration on RHEL 6 AshaVipin	03-20-2017 03:16 PM by AshaVipin	2	851
iptables connlimit and rule positioning end	03-22-2017 10:50 AM by Turbocapitalist	3	4,145
cloud cluster defend system on linux server gbcbooks	03-22-2017 12:44 PM by gbcbooks	0	771
[SOLVED] "systemd: Started Session ### of user root" in /var/log/messages thealmightyos	03-22-2017 04:29 PM by ebmnetwork	4	103,057
Setup encrypted Samba shares eoncho	03-22-2017 08:53 PM by sundialsvcs	5	16,907
Convert security audit logs into .csv file tashamcfarlane	03-24-2017 11:04 AM by TB0ne	6	1,724
[SOLVED] Ports not open even without firewall Doug Hutcheson	03-25-2017 12:33 AM by Doug Hutcheson	4	873
[SOLVED] Question about PATH... rnturn	03-25-2017 10:58 AM by rnturn	9	774
GPG: How do I remove key from encrypted file knuno	03-26-2017 08:15 AM by sundialsvcs	12	2,131
iptables rule with with random time variable argument. Novi	03-26-2017 11:34 AM by Novi	9	1,655
Snort: error while loading Shared libraries HashMan74	03-27-2017 05:00 AM by camp0	1	4,334
Cannot log in after a few security changes ("Module is Unknown"/"Access Denied") dj_thrive	03-27-2017 10:51 AM by smallpond	1	675
[SOLVED] UPNP nightmare2013	03-29-2017 11:24 AM by sundialsvcs	2	1,087
How to have luks encryption with keyfile OR passphrase (efi full disk encryption including boot)? byroncollege	03-30-2017 07:45 AM by sundialsvcs	2	3,906
[SOLVED] Ensuring data integrity with subkeys - obtaining main key id from signature Sefyir	03-30-2017 10:24 AM by ntubski	3	771
VPN Solution - Best Applied On Router Or Individual Machines? hprh01	03-30-2017 09:26 PM by sundialsvcs	4	680
[SOLVED] Sophos Anti-Virus doesn't detect Python 2.7 and refuses to update Reksio	03-31-2017 06:43 PM by hydrurga	6	2,389
is encryption safe? ( 1 2 ) rblampain	03-31-2017 07:42 PM by 273	28	1,753
Firewall - redirect all traffic from single IP to internal IP and port mpyusko	04-01-2017 10:48 AM by Rickkkk	3	1,599
Is rkhunter still in development? RoyHBrice	04-01-2017 03:05 PM by unSpawn	5	1,534
Using your computer as root ( 1 2 ) Emerson	04-01-2017 05:31 PM by Shadow_7	22	1,417
A question about TPM rokyo	04-02-2017 02:57 AM by hazel	3	918
A question about Wireshark rokyo	04-03-2017 02:15 PM by rokyo	5	875
How to replace failed crypto_luks disk in rhel nixanwin	04-05-2017 12:22 PM by nixanwin	8	856
Is Network Penetration Testing worth doing to a Desktop? DDukes	04-05-2017 09:18 PM by frankbell	5	899
Is it possible to have a back door into encryption without destroying Internet trade? hazel	04-07-2017 01:25 PM by hazel	11	924
I cannoy install Tor on my Dell laptop. Vocay2	04-09-2017 02:14 PM by Timothy Miller	1	675
passwd - authentication token manipulation errors gesmundo	04-10-2017 06:55 AM by sgrlscz	4	3,916
limit udp traffic per ip using iptables only ( 1 2 3 4 ) Obada	04-10-2017 09:15 AM by end	47	10,630
[SOLVED] Separating business and home work flows upnort	04-11-2017 09:00 AM by sundialsvcs	14	978
Ubuntu: Does the "scrub" utility work on a SSD? CandyTheZebra5	04-11-2017 09:51 AM by jailbait	4	1,555
General security conversation: what should be run as root or a user? VolumetricSteve	04-11-2017 11:53 AM by linux4evr5581	9	851
Redhat 6 IPSec setup/config Z0sickx	04-12-2017 08:16 AM by sundialsvcs	1	1,130
All ports blocked except 80 - can secure VPN connections still be done? ( 1 2 ) Ulysses_	04-12-2017 03:09 PM by sundialsvcs	22	8,010
Bastion Host: Implementing ACL with user group and permission ( 1 2 3 ) TashiDuks	04-13-2017 02:18 AM by Turbocapitalist	36	4,911
SELinux preventing ssh login with ~/.ssh/authorized_keys Seattle98122	04-14-2017 05:15 AM by michelemase	3	20,516
[SOLVED] My OpenSSL key-generation sequence seems to have stopped working sundialsvcs	04-16-2017 08:31 AM by sundialsvcs	7	3,676
fail2ban ban straight to INPUT chain? elfoozo	04-17-2017 04:48 PM by Habitual	4	1,689
Can any one explain this strange password failure? hazel	04-18-2017 09:01 AM by dave@burn-it.co.uk	12	850
Automatically changing password in pfsense captive portal Ulysses_	04-19-2017 01:43 AM by Ulysses_	3	1,949
How i can maintain my online privacy. ( 1 2 ) markhascole	04-20-2017 08:11 AM by ftalbot	22	2,472
Can the peppermint bootable usb drive be permanently infected if malware gets root access? ( 1 2 3 ) Ulysses_	04-21-2017 05:22 PM by Ulysses_	30	2,004
how to debug a OPENSCAP scanner failure sirig	04-22-2017 06:47 AM by sirig	0	1,709
Access rights for low uid/guid in /usr/local/src deleted23	04-22-2017 06:04 PM by c0wb0y	1	615
Ping Question kudsu	04-23-2017 05:43 AM by Jjanel	8	860
Workarounds to boot a non-UEFI distro on a Secure-Boot-only system Ulysses_	04-24-2017 03:51 PM by hydrurga	3	850
Security Concerns with new installations UbuntuconLeche	04-24-2017 07:18 PM by UbuntuconLeche	11	969

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