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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	30,942
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	41,459
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,435
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,204
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	250,151
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	229,118
Is auto-logging in a bad idea when it comes to the keyring passwords? linustalman	Today 07:32 AM by sundialsvcs	2	54
luks usb directory persists in /media/usr even after removing physical device tech-support	05-11-2025 11:54 AM by lvm_	1	65
Claim: Hackers can now bypass Linux security thanks to terrifying new Curing rootkit yvesjv	05-09-2025 06:56 AM by Aeterna	13	428
Traffic rules...openwrt imbecsrthem	05-02-2025 04:21 PM by viel	1	62
How to isolate firefox from the linux operating system Tomonnix	04-27-2025 03:04 AM by Racho	13	568
[SOLVED] Use the Root Password for Authentications unixform	04-23-2025 06:43 PM by unixform	7	187
[SOLVED] Question: Encrypting HTTP (not HTTPS) ( 1 2 ) haertig	04-23-2025 03:36 AM by mose5	16	1,353
[SOLVED] I found this kernel alert in the main AntiX forum. hazel	04-22-2025 12:15 AM by hazel	4	178
Strange wireguard VPN DNS problem tech-support	04-20-2025 08:56 AM by business_kid	6	165
Looking for way to protect my system from password reset snowee	04-18-2025 10:05 PM by tony rice	6	170
Isolating non-privilieged users so they know nothing about eachother ( 1 2 ) Missouri Redneck	04-16-2025 02:16 PM by sundialsvcs	15	285
[SOLVED] ssh-rsa,ssh-dss not supported? RandomTroll	04-15-2025 10:49 PM by RandomTroll	2	125
The Jet KVM - Take Control of ANY PC? Crippled	04-10-2025 08:54 AM by sundialsvcs	3	333
Microsoft finds 20 vulnerabilities in bootloaders, including GRUB, using AI Stream	04-10-2025 08:48 AM by sundialsvcs	13	263
[SOLVED] Chrome Flaw - other browsers affected? business_kid	03-26-2025 08:10 AM by business_kid	2	79
AppArmor profile's file access rule issue with Microsoft Edge in Linux (lubuntu) rajan_m2006	03-17-2025 07:58 AM by TB0ne	3	140
iptables - Drop from IP if a port is accessed? arfon	03-15-2025 05:51 AM by kakistocrat	14	179
knockd not listening? kenw232	03-13-2025 01:08 PM by kenw232	6	86
no secure platform jerrysimon1	03-13-2025 07:53 AM by jefro	2	99
A program which scan pc and hardware and report proprietary firmware: did exist? camerabambai	03-12-2025 10:04 PM by uteck	3	70
Create a Postfix SMTP server with authentication riahc3	03-12-2025 09:18 AM by TB0ne	1	68
GPG: How to clean/refresh the cache involved with the “pubring.kbx” file? Manuel Jordan	03-07-2025 02:44 AM by Manuel Jordan	0	59
[SOLVED] USB Passkey platypo	03-03-2025 03:52 AM by platypo	5	154
[SOLVED] Setting wireguard with openwrt host assasukasse	02-24-2025 12:44 PM by assasukasse	0	100
Is chroot with a symbolic link inside safe? Or just mounting (with --bind) things? dedec0	02-23-2025 11:33 AM by lvm_	1	98
YubiKey installation under Slackware 15.0 Stefan Groote	02-17-2025 11:51 PM by Stefan Groote	4	155
log4j-1.2.17.jar glib	02-15-2025 08:02 AM by boughtonp	3	114
ufw before rules ShedDriver	02-14-2025 09:36 AM by eklavya	1	197
AMD whoopsie lvm_	02-06-2025 06:36 PM by syg00	4	108
rkhunter has detected malware coprop	02-03-2025 05:16 PM by boughtonp	7	253
Kernel level firewall ( 1 2 ) coprop	01-31-2025 10:18 AM by boughtonp	17	311
[SOLVED] Can you recommend an authentication app that you have used? RandomTroll	01-30-2025 10:03 PM by TheTKS	10	136
Signature not found in user keyring tech-support	01-29-2025 12:43 PM by tech-support	2	141
finding the right ssh key Skaperen	01-27-2025 06:22 PM by sundialsvcs	4	91
Setting Up Automatic ClamAV Scans on Linux Mint (Anacron, Notifications, Quarantine) raon	01-27-2025 04:14 AM by pan64	1	108
change password cached by gpg-agent selfprogrammed	01-27-2025 02:35 AM by selfprogrammed	5	171
[SOLVED] Nftables how to grant ssh access to a specific IP only? Nandolollo	01-25-2025 05:40 PM by Nandolollo	11	576
Rsync vulnerabilities teckk	01-23-2025 11:18 AM by pan64	10	169
[SOLVED] no matching host key type found. Their offer: ssh-rsa,ssh-dss RandomTroll	01-21-2025 10:03 AM by saleckblue	11	308,965
ufw after years I still don't understand it claude56	01-20-2025 10:27 AM by smallpond	1	139
Remote SSH server with prohibited password access, how to prepare for the case i loose the SSH client computer? ( 1 2 ) postcd	01-17-2025 08:45 PM by scasey	17	405
Advice for making a machine to run suspect software linuxuser371038	01-14-2025 03:39 AM by business_kid	10	294
CyberARK (password vault) Open Source alternative? yodds	01-13-2025 11:07 AM by yvesjv	4	9,861
auditd -au gives error "the u option is not supported" millerthegorilla	01-13-2025 05:42 AM by lvm_	2	96
Lynis gives a lot of "UNSAFE" warnings no-windose	01-12-2025 03:17 PM by TB0ne	1	358
using tcpdump or like to figure out excess trafic. ulao3	01-10-2025 05:25 PM by ulao3	9	144
server 100% new, I run [grep root /var/log/secure* \| grep "Accepted" \| awk {'print $11'} \| sort \| uniq -c \| sort -nr] then find IP !!! Colombia	01-04-2025 01:39 PM by jefro	5	190
Software-based protection of web servers against DDoS attacks Jason.nix	01-03-2025 01:13 AM by ___	2	112
IMA: my executable is not listed in ascii_runtime_measurements zvivered	01-01-2025 12:25 PM by TB0ne	7	160
Antivirus On Linux ( 1 2 3 ) richardtorvalds	12-29-2024 07:22 PM by sundialsvcs	38	714

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