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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: If you infected by any of these recent ELF malware cases please contact us? ( 1 2 ) malwaremustdie	04-22-2019 11:06 PM by malwaremustdie	21	17,421
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 07:25 AM by tronayne	0	4,180
Sticky: More Alerts Alert (TA14-017A) UDP-Based Amplification Attacks (Revised 12 Apr 2016) tronayne	04-15-2016 10:12 AM by tronayne	0	21,082
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 06:42 AM by unSpawn	0	8,960
Sticky: Security references unSpawn	02-25-2006 02:04 AM by unSpawn	6	213,216
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 04:22 PM by unSpawn	38	195,368
Gnupg - Seahorse bendipa	12-11-2019 10:21 AM by sevendogsbsd	1	177
Facebook bypasses my firewall lucmove	12-11-2019 12:21 AM by rnturn	6	348
[SOLVED] Free SSL certificate droid.c3p0	12-08-2019 01:52 PM by scasey	1	310
iptables drop rules oswerks	12-08-2019 10:44 AM by oswerks	0	115
Reverse Path Filtering binkyd	12-08-2019 08:12 AM by business_kid	1	262
CIS Database Security Auditing SQL Script metallica1973	12-08-2019 06:19 AM by unSpawn	1	327
New Linux/*BSD Vulnerability Lets Attackers Hijack VPN Connections //////	12-08-2019 04:37 AM by //////	2	271
[SOLVED] Can't get PureVPN to work with Firewall Gufw shinanqu	12-06-2019 10:47 PM by ferrari	14	531
RHEL: /etc/ssh/sshd_config "ClientAliveInterval" versus etc/profile "TIMEOUT" and "TMOUT" linuxuser0024	12-04-2019 02:54 PM by scasey	1	125
Can you tell from dpkg --list what kind of security breach I have on my Lenovo Desktop running TAILS? ( 1 2 ) mailbox96321	12-03-2019 06:22 PM by scasey	21	459
Startpage may not be so private now LU344928	12-03-2019 01:05 PM by teckk	10	368
How to encrypt a file for use between different systems? wearetheborg	12-02-2019 05:39 PM by syg00	11	679
[SOLVED] Mint vs. Pure OS Boggs45	12-01-2019 05:15 PM by Boggs45	2	379
[SOLVED] Wipe RAM to prevent Cold Boot Attack lisamint	12-01-2019 09:43 AM by ntubski	5	327
[SOLVED] Telnet issue ( 1 2 ) 1s440	11-27-2019 07:34 AM by wpeckham	20	706
Can a hostile script be installed from a web page by itself with out the user password ? TokTok	11-24-2019 03:46 PM by ehartman	9	394
fstab mounting cifs voumes in file_mode=755 / readonly , needs to be readwrite gregorywest	11-23-2019 03:00 AM by business_kid	5	383
Countermeasures to free software that secretly uses CPU time to mine cryptocurrencies Ulysses_	11-22-2019 11:15 PM by ntubski	13	706
fedoraproject hardening badbanana	11-22-2019 05:22 PM by Jan K.	3	311
Why should I check the hash of a file that was downloaded or downloaded via ssh? cesarsj	11-20-2019 06:34 AM by fatmac	4	306
fstab mounting cifs voumes in file_mode=755, need it to be 777, I think gregorywest	11-19-2019 09:59 AM by jeremy	1	230
Capabilities in a parent user namespace YuvalAvra	11-17-2019 03:44 PM by YuvalAvra	0	274
Please help with SPF setup in Postfix GTrax	11-17-2019 07:51 AM by GTrax	2	319
[SOLVED] Is antivirus software on a home Linux install necessary ( 1 2 ) LionHeartIV	11-17-2019 07:36 AM by //////	23	867
vpn killswitch vans25	11-12-2019 02:49 PM by /dev/random	1	441
ssh key and yubikey wdatkinson	11-12-2019 01:02 PM by PECONET009	1	303
Can someone assist me with my rkhunter.log - i was hacked garylwe	11-07-2019 02:54 PM by ChuangTzu	10	458
Red Hat 7 STIG on CentOS ( 1 2 ) itayuman	11-07-2019 11:31 AM by boxbbcar	19	15,151
iptables SYNPROXY extension not working? Pigi_102	11-07-2019 10:30 AM by Pigi_102	3	357
[SOLVED] Volume Encryption or Full Disk Encryption with Veracrypt? lisamint	11-07-2019 09:43 AM by lisamint	4	516
Automated script for CIS CentOS Linux 7 Benchmark please nirvaanr	11-04-2019 07:59 AM by TB0ne	3	433
LUKS encryption BinaryBrain	11-04-2019 07:11 AM by zeebra	4	387
NANO S to Electrum in TAILS? onealfa	11-01-2019 04:50 PM by onealfa	0	315
[SOLVED] pki lelunicu	11-01-2019 05:08 AM by lelunicu	11	379
oscap scan error sniper8752	11-01-2019 03:46 AM by sniper8752	0	313
User ssh key on RHEL6 system TNFinfan	10-31-2019 12:22 PM by TNFinfan	4	340
Can an ssh certificate have an IP address as principal? berndbausch	10-31-2019 02:44 AM by ondoho	3	344
Linux Fileless Infection, Process Injection and Post Exploitation Frameworks malwaremustdie	10-29-2019 02:46 PM by malwaremustdie	0	384
[SOLVED] ip6tables simple_firewall.rules brokenkeys	10-29-2019 01:43 PM by /dev/random	1	424
Best practice in implementing ssh-key based authentication X1C	10-29-2019 06:38 AM by X1C	3	321
Alternative to /etc/hosts/allow on CentOS8 elliot01	10-28-2019 11:49 PM by mralk3	11	765
Write-Only Backup Server GregJ7	10-28-2019 12:38 PM by scasey	6	303
Nftables rules and tables dissapiered after reboot! OlgaM	10-20-2019 08:28 AM by penguu	8	3,656
Is this OpenVPN killswitch safe to use? jakr997	10-18-2019 01:25 AM by Firerat	1	364
Any good security programs for linux ? ( 1 2 ) TokTok	10-14-2019 11:00 PM by evo2	22	979
How to diagnose SSL error SteveJJ	10-14-2019 08:51 AM by greencedar	3	554
China Firewall? How to avoid it? Tackskull	10-12-2019 06:36 AM by zeebra	6	431
Updated gui root access with sddm and plasma5 ( 1 2 ) barfly	10-11-2019 03:43 AM by barfly	15	890
Issues with FreeRadius and LinOTP zagath2	10-11-2019 02:17 AM by rshimmel	6	644
If someone has an unauthorized remote connection to my computer (not remote login), can they see anything if the browser is 'not' open? ( 1 2 ) hddfsck	10-10-2019 07:55 PM by ntubski	26	1,451

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