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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	30,786
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	40,778
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,332
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,090
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,161
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	227,932
Does it make sense to pretend we're Windows/Mac/Android users to thwart fingerprinting? JASlinux	09-25-2023 10:21 PM by JASlinux	4	307
Connection rate limit per IP with nftables rutrow	09-25-2023 10:19 PM by rutrow	2	1,435
Interactive / prompting application firewall boughtonp	09-22-2023 04:52 PM by jvz	9	991
Appears mass surveillance/security is worth a doctoral thesis yvesjv	09-21-2023 08:26 PM by frankbell	1	228
Developing a GUI based hardening script for Ubuntu operating system with flexibility to cater for organisational security policies TheDarkArtist	09-20-2023 04:59 PM by boughtonp	6	674
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	171
Salfe made token citrate	09-15-2023 10:13 AM by sundialsvcs	9	263
Best VPN in mixed Linux Windows environment? ( 1 2 ) mfoley	09-15-2023 09:53 AM by sundialsvcs	18	481
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	170
Disable tenet (port 23) on CentOS 7 cdunavent	09-07-2023 07:37 AM by TB0ne	6	519
[SOLVED] Configuring stunnel on Windows mfoley	09-05-2023 02:02 PM by mfoley	5	837
Something like Snort and Suricata-IDS Jason.nix	08-23-2023 08:29 PM by JJJCR	3	232
more iptables chains in one line end	08-22-2023 05:57 AM by end	3	207
Cannot Get Detached LUKS Headers to Boot FossilizedDaemon	08-18-2023 03:45 AM by FossilizedDaemon	0	330
A question about sudo user Jason.nix	08-18-2023 01:24 AM by JJJCR	9	360
What options are available to me if i want to take full control of network activity on my NIC? wh33t	08-16-2023 11:26 AM by wh33t	8	362
need access to an encrypted (veracrypt) drive from a virtualbox running Debian 11, host OS is also Debian 11 Quakeboy02	08-07-2023 04:45 AM by Quakeboy02	0	245
[SOLVED] CERTBOT: fullchain.pem vs privkey.pem banderas20	08-02-2023 05:13 PM by banderas20	3	215
CLAMAV LOG - what dir/folder should be skipped ? Florida-Rob	07-31-2023 04:12 PM by methinx	3	326
encrypted disk clone heiny	07-24-2023 10:44 AM by heiny	5	253
im in need of password reset kriztmark	07-23-2023 08:28 PM by frankbell	7	243
[SOLVED] Question in iptables rule efficiency and appropriateness haertig	07-23-2023 02:30 PM by haertig	3	212
[SOLVED] Security doubt about ssh-copy-id banderas20	07-21-2023 08:09 AM by banderas20	6	251
iptables to nftables Jason.nix	07-18-2023 09:43 AM by descendant_command	2	197
[SOLVED] Encrypted system drive used externally mknix	07-17-2023 03:24 AM by mknix	2	127
[SOLVED] spamhaus.org The following addresses had permanent fatal errors mfoley	07-16-2023 09:15 AM by mfoley	2	338
Lots of unexplained WiFi traffic recently TheJooomes	07-15-2023 01:23 PM by jayjwa	2	214
Blocking SSH passwords only for remote users compata	07-15-2023 12:25 AM by Turbocapitalist	3	242
[SOLVED] Data recovery - Windows installation Mantra	07-12-2023 01:47 PM by Mantra	10	248
Whitelist apps' internet access Projectile	07-06-2023 08:17 PM by JJJCR	3	372
Some questions about the iptables Jason.nix	07-06-2023 08:12 PM by JJJCR	10	384
[SOLVED] How to analyse a docx document for possible payload yvesjv	07-04-2023 01:28 PM by yvesjv	7	338
[SOLVED] sudo vs admin ( 1 2 ) will41	07-04-2023 08:54 AM by will41	17	682
Machine requires 2 boots before it asks for LUKS passwd (Rocky 9.2) chrism01	06-30-2023 08:41 PM by chrism01	5	210
generate a password string to be used by the useradd command powah	06-27-2023 06:23 AM by mannubahti95	9	19,253
blacklisted ip address sinistra	06-26-2023 05:30 PM by TB0ne	2	219
[SOLVED] charon-cmd howto? phi	06-25-2023 07:20 AM by phi	5	1,995
Disk utility encrypts my usb stick but doesn't create a mount point desertsquidLQ	06-20-2023 10:31 AM by desertsquidLQ	2	183
[SOLVED] Any good free tech news proxy? elcore	06-20-2023 07:57 AM by elcore	13	565
SSH : access denied after a few days (on 2 servers) wonderlili	06-20-2023 03:03 AM by JJJCR	14	1,837
rsyslog service fail to start Mo_	06-09-2023 10:09 PM by wpeckham	5	2,144
[SOLVED] Firewall and Antivirus? Thomas Harmon	06-09-2023 05:42 AM by Thomas Harmon	6	210
smb signing mandatory on debian 6 for file sharing disilvestre	06-06-2023 08:41 PM by ferrari	13	612
questions about firewall behavior?? MichaelJoseph01	06-06-2023 06:54 PM by sundialsvcs	5	285
[SOLVED] SSHKey Issue from Mac to servers glennbtn	06-01-2023 09:22 PM by sundialsvcs	5	233
iptraf shows many connections not displayed in netstat catatung	05-31-2023 12:03 PM by astrogeek	4	264
smbclient Vico	05-31-2023 07:10 AM by pan64	1	173
How to completely erase an ssd drive? ( 1 2 ) Pedroski	05-30-2023 07:56 AM by BW-userx	22	577
[SOLVED] What to do about kernel lockdown?[ anthonyforwood	05-30-2023 05:26 AM by smallpond	1	1,888
Options for remotely accessing Linux server elsmandino	05-25-2023 09:33 AM by uteck	10	422

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