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: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	227,889
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,128
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	13,327
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	40,750
Sticky: More Alerts Alert (TA14-017A) UDP-Based Amplification Attacks (Revised 12 Apr 2016) tronayne	07-14-2020 10:32 AM by RickDeckard	2	30,780
Rkhunter log, anything to worry about actinide	04-25-2017 08:52 AM by Habitual	6	1,572
[SOLVED] Can malware hide in .txt files? ( 1 2 ) linux4evr5581	04-26-2017 02:56 PM by linux4evr5581	22	6,205
help: luks auto-unlock via usb flashdrive Centos7 xingkorabo03	04-26-2017 06:53 PM by syg00	1	920
[SOLVED] Suppressing Password Value from Command Line while Keeping Other Output Visible devUnix	04-27-2017 01:36 AM by devUnix	2	1,307
Unable to sign in after changing password on an account jamescobban	04-27-2017 08:19 AM by BW-userx	6	836
[SOLVED] hosts.deny not blocking hosts to use NFS JohnGomez84	04-29-2017 02:24 AM by Laserbeak	4	3,270
Block python, perl and ruby to non-root users? trem0rs	04-29-2017 02:28 AM by Laserbeak	11	1,045
Sendmail Relaying? seamore	04-29-2017 02:39 AM by bathory	7	962
Not such a secure email server! hazel	04-29-2017 07:24 AM by hazel	2	1,066
malware injection files on my host server ( 1 2 ) iLinux85	05-02-2017 09:17 AM by Habitual	19	2,359
openSUSE updates skiyingi	05-02-2017 03:23 PM by arizonagroovejet	1	716
is it blocked by the firewall if any? abd_bela	05-03-2017 08:36 AM by camp0	2	681
why my Latest ACLs are not working in Ubuntu 14.04 ? rpittala	05-04-2017 12:27 PM by TB0ne	3	729
IPTABLES with Ethernet bridge - Only forward http and HTTPS silencer230	05-04-2017 12:47 PM by lazydog	5	1,893
Strange wireless bluetooth keyboard behavior eco_bach	05-04-2017 03:27 PM by mazinoz	1	797
No audit messages for Apparmor in Syslog after compiling new Kernel 4.10 freshbash	05-04-2017 11:51 PM by freshbash	0	1,065
Bad ownership or modes for chroot directory component newbie14	05-07-2017 12:21 PM by newbie14	4	7,432
How can I block attack from "hping"? hack3rcon	05-08-2017 01:40 AM by tva	10	3,059
If root account is removed/disabled, can malware enable root or get just as powerful? ( 1 2 3 ) Ulysses_	05-08-2017 12:59 PM by perfectsecurity	34	3,256
Woo-hoo! My first "blog post": "Number of Unauthorized Access Attempts: ZERO" sundialsvcs	05-11-2017 08:27 PM by sundialsvcs	3	839
ssh login failing for 1 user, not for another ( 1 2 ) Timothy Miller	05-12-2017 02:28 PM by Timothy Miller	17	1,336
Tails verification problem actinide	05-14-2017 03:26 AM by ondoho	1	1,099
Rsync error in rsync protocol data stream (code 12) at io.c(600) [sender=3.0.6] jjrowan	05-14-2017 10:55 AM by pan64	1	6,599
sudoerswheel file overriding user settings in sudoers file BhushanPathak	05-15-2017 12:36 AM by BhushanPathak	5	1,547
Desktop OS distributions with built-in anti-malware scanner (and suitable for beginners)? grumpyskeptic	05-15-2017 07:28 AM by fatmac	1	584
[SOLVED] What anti-virus/malware programs for Linux? ( 1 2 3 ) grumpyskeptic	05-15-2017 09:51 PM by sundialsvcs	38	7,177
Vulnerabilty scanner for Apache and Wordpress ddaas	05-18-2017 01:08 PM by ondoho	4	747
[SOLVED] Limiting access through http on Ubuntu 16 web server andyhoyland	05-19-2017 04:32 AM by andyhoyland	10	842
How to connect to open XORG X server? kamepl	05-19-2017 05:05 PM by sundialsvcs	3	1,639
Why does arpspoofing stop access to internet on target PC ? patrick.kabuchi	05-20-2017 04:11 PM by kudsu	1	1,551
Linux security in light of all the whistleblowers info releases ( 1 2 ) ftalbot	05-21-2017 07:54 AM by sundialsvcs	18	1,619
for firewall admins Guttorm	05-22-2017 05:16 AM by camp0	4	740
Problem with "Unknown Authz provider: ip" ampapa	05-22-2017 08:44 AM by sundialsvcs	6	5,568
RSYNC over SSH in Tomato/dd-wrt mackowiakp	05-22-2017 10:34 AM by mackowiakp	5	1,653
Iptables forward by mac address glennbtn	05-23-2017 05:44 AM by r3sistance	1	3,234
iptables and conntrack hilou	05-23-2017 06:40 AM by r3sistance	1	6,490
Squid Proxy server skiyingi	05-23-2017 12:51 PM by skiyingi	4	806
Got a Totally Different sum when checking disc happydog500	05-23-2017 06:55 PM by hydrurga	1	631
Monitoring traffic on network sniper8752	05-26-2017 12:09 AM by JJJCR	5	816
US-CERT TA17-117A: Intrusions Affecting Multiple Victims Across Multiple Sectors tronayne	05-26-2017 11:14 AM by dave@burn-it.co.uk	10	1,671
iptables: Block FTP in and out, allow SFTP Arty Ziff	05-28-2017 05:37 AM by michaelk	9	4,866
[SOLVED] SEC_ERROR_UNKNOWN_ISSUER for mail.google.com RandomTroll	05-29-2017 09:45 PM by RandomTroll	3	1,856
luks Nuke-password for Mint 18.1 with cryptsetup 1.6.6 DexterMorgan	05-29-2017 11:45 PM by DexterMorgan	0	3,127
If you disable Secure Boot, is UEFI still more secure than BIOS boot? Ulysses_	05-30-2017 10:08 AM by cwizardone	4	1,789
[SOLVED] How To Manually Duplicate SHA-512 hash with a known password & hash SlowLearner	05-31-2017 06:05 AM by Turbocapitalist	11	5,837
Sarg generated reports skiyingi	05-31-2017 07:42 AM by TB0ne	1	1,036
Blocking USB Port in Ubuntu slkamath	05-31-2017 08:54 PM by JJJCR	6	2,475
PAM module limits BhushanPathak	06-02-2017 02:19 AM by BhushanPathak	3	1,449
[SOLVED] set pfx password automatically in a script vincix	06-02-2017 03:26 AM by vincix	1	1,977
Does this email carry a harmful payload? Ulysses_	06-06-2017 09:09 AM by sundialsvcs	10	1,872

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