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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: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,350
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,101
Sticky: More Alerts Alert (TA14-017A) UDP-Based Amplification Attacks (Revised 12 Apr 2016) tronayne	07-14-2020 10:32 AM by RickDeckard	2	30,799
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	40,834
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	228,047
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,240
New Intel Spectre V2 and Zenhammer for AMD yvesjv	04-18-2024 03:20 PM by yvesjv	2	169
Installing a BNC on Debian Kopiq	05-27-2024 12:11 AM by des_a	1	171
[SOLVED] Understanding permissions needed to mv directory (using Posix ACLs) swami77	02-01-2024 03:07 AM by lvm_	1	172
Does using wget to download an .html page include associated cookies? JASlinux	03-23-2024 08:33 PM by frankbell	1	172
Hostname says Huawei on new installs but shows normal name when typing hostname blavish	04-07-2024 01:17 PM by jayjwa	4	172
luksFormat damaged my USB flash drive ?! or I did ?! avocatux	04-17-2023 09:57 PM by avocatux	0	173
[SOLVED] Taking ownership of folders DragonspitPublishing.Com	03-25-2024 04:24 PM by Keith Hedger	4	175
In the Oracle Linux documentation, why is there no mention of what happens when these cron files are empty? myjess	09-18-2023 11:01 AM by yancek	1	176
How to Find the Purpose of a Port ?????I recently purchased an IP camera and nmap reveals the usual open ports you might expect. There is ho PK232	09-09-2023 12:40 PM by pan64	2	178
/etc/issue.net print out a warning message to sshed users & log their ip englishexe	01-15-2024 11:41 AM by jayjwa	3	179
[SOLVED] fail2ban on a NFS network sharing one log file BluePukeko	03-18-2024 02:16 PM by BluePukeko	2	182
Moved: What are some good av and spyware programs? okos	-	-	-
smbclient Vico	05-31-2023 07:10 AM by pan64	1	182
strange DNS requests Bvwoakf	03-19-2024 12:25 AM by chrism01	2	184
Security measure on interprocess communication totorlinux	04-29-2024 10:58 PM by friendlysalmon8827	8	187
Firefox pop-up blocker being selective tomiki	10-23-2023 10:06 PM by tomiki	3	187
Moved: [SOLVED] empty files darthaxul	-	-	-
Generate new SSH Host keys crypto7541	02-09-2024 05:03 AM by Turbocapitalist	3	189
Using rsyslog on Debian to store firewall logs - issues with logrotate motwane	12-14-2023 03:41 PM by boughtonp	1	190
Disk utility encrypts my usb stick but doesn't create a mount point desertsquidLQ	06-20-2023 10:31 AM by desertsquidLQ	2	190
[SOLVED] Protecting Nginx against DDoS attacks by Fail2Ban Jason.nix	03-05-2024 03:37 AM by TenTenths	1	192
Need help in categorizing the linux logs for pruning. Jafbot	02-22-2024 02:43 AM by pan64	2	193
Cisco which runs a hacked version of RH on its firewalls inc snort and ASA inside requires immediate patching yvesjv	04-28-2024 01:31 PM by yvesjv	2	196
ssh keys abby001	08-31-2022 10:18 AM by sundialsvcs	4	200
Moved: Cannot log in after installing shadow/PAM TKH	-	-	-
Is it safe to use my mother's windows machine to flash a 4g dongle if I don't trust her security? linuxuser371038	05-11-2024 03:06 PM by jefro	4	202
Moved: new malware that targets Linux newbiesforever	-	-	-
Anyone heard of Magnet Goblin? hazel	03-12-2024 02:28 AM by rkelsen	1	204
iptables to nftables Jason.nix	07-18-2023 09:43 AM by descendant_command	2	205
Get notification if the FW is turned off B612	10-29-2023 10:37 AM by TB0ne	1	208
iptables connlimit-mark question kenw232	10-20-2023 11:11 PM by Person_1873	6	208
Linux - Setting up User Policy per user timspeed	08-07-2020 05:45 AM by timspeed	0	209
Moved: IM spam on Pidgin yiannis852	-	-	-
Sharing Keys: Key Servers vs. Website Uploads Bala451987	05-11-2024 07:29 AM by Bala451987	8	213
Can I block internet access for almost everything? lucmove	10-09-2023 04:28 PM by remmilou	4	215
more iptables chains in one line end	08-22-2023 05:57 AM by end	3	216
15 nbd's found - parted magic Stella456	03-16-2024 03:25 PM by Stella456	4	217
[SOLVED] Firewall and Antivirus? Thomas Harmon	06-09-2023 05:42 AM by Thomas Harmon	6	218
home encryption does not survive upgrade (ecryptfs/ubuntu) oxyopes	09-07-2022 01:20 PM by dc.901	1	218
Machine requires 2 boots before it asks for LUKS passwd (Rocky 9.2) chrism01	06-30-2023 08:41 PM by chrism01	5	219
How do i get rid of the Google Login Window mickeyboa	11-22-2023 03:51 PM by bitfuzzy	4	222
make offline iptables rule stick after reboot chrisknight	11-24-2023 11:28 AM by chrisknight	4	222
blacklisted ip address sinistra	06-26-2023 05:30 PM by TB0ne	2	224
Lots of unexplained WiFi traffic recently TheJooomes	07-15-2023 01:23 PM by jayjwa	2	224
Change the path of stored hash pasword helgag	11-02-2022 11:23 AM by boughtonp	4	225
[SOLVED] Hardware and software firewall Jason.nix	03-02-2024 04:58 AM by Jason.nix	9	225
[SOLVED] Question in iptables rule efficiency and appropriateness haertig	07-23-2023 02:30 PM by haertig	3	225
[SOLVED] CERTBOT: fullchain.pem vs privkey.pem banderas20	08-02-2023 05:13 PM by banderas20	3	227
Unable to change Furqan10	10-26-2023 03:49 AM by yancek	2	228
iptable config - DNS not working anymore clmsvie	12-12-2023 07:09 AM by zeebra	3	229

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