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: More Alerts Alert (TA14-017A) UDP-Based Amplification Attacks (Revised 12 Apr 2016) tronayne	07-14-2020 10:32 AM by RickDeckard	2	30,804
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	40,843
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,352
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,106
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,260
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	228,064
[SOLVED] Try to decrypt a file but the system is reinstall ethereal1m	12-12-2018 08:18 PM by berndbausch	6	640
Format of linux ko modules gglq000	12-12-2018 11:43 AM by lougavulin	1	651
Phishing Emails with no included links theKbStockpiler	12-12-2018 05:11 AM by l0f4r0	13	2,183
[SOLVED] pam.d security limit piobair	12-09-2018 07:55 AM by piobair	2	711
Linux PAM tutorials for beginners fedetask	12-08-2018 04:08 AM by zeebra	1	1,093
guess CRC32 algo qrange	12-07-2018 08:23 AM by ntubski	2	725
[SOLVED] NitroShare and UFW firewall Chris.Bristol	12-07-2018 01:06 AM by ondoho	6	3,784
[SOLVED] User Private Groups funkytwig	12-06-2018 10:15 AM by Turbocapitalist	3	789
Cell Modem Security questions theKbStockpiler	12-06-2018 09:42 AM by michaelk	3	557
Poneytelecom.eu Attack(s) ( 1 2 ) venomphil	12-05-2018 02:37 PM by RickDeckard	20	27,278
Linux c security issues overcomer1	12-05-2018 01:41 PM by RickDeckard	13	874
Veracrypt problem actinide	12-05-2018 10:55 AM by hydrurga	3	975
[SOLVED] openssh time frame qrange	12-05-2018 07:53 AM by sgrlscz	3	725
vsftp and Brute-force attack hack3rcon	12-04-2018 06:00 PM by lougavulin	4	1,664
How can shell supports Linux hardware protection? ChristianCoulis	12-04-2018 03:10 PM by business_kid	1	590
there were ### failed login attempts since your last successful login... frostfiretulsa	12-04-2018 11:56 AM by TB0ne	9	10,822
Installed Ubuntu with LVM - want to encrypt with luks bobthequestioner	12-04-2018 09:59 AM by RickDeckard	4	744
[SOLVED] Convert http to https 1s440	12-04-2018 03:40 AM by TenTenths	1	661
[SOLVED] No internet after VPN connection nbmprivat	12-04-2018 02:01 AM by JJJCR	9	11,899
WARNING: The following packages cannot be authenticated! hack3rcon	12-02-2018 06:38 AM by hydrurga	10	13,983
nft chain priority and policy keithwilliamsnp	12-01-2018 12:45 PM by keithwilliamsnp	0	1,110
How to keep LUKS partition decrypted without USB thumb drive with keyfile present? SirSkorpan	11-29-2018 02:31 PM by SirSkorpan	2	1,487
PREROUTING and POSTROUTING ( 1 2 3 ) theuser	11-28-2018 09:48 AM by fahri314	32	120,305
[SOLVED] Need some UFW help. Want to block an IP and any device that connects to it from accessing WAN/Internet wh33t	11-27-2018 12:15 PM by wh33t	12	691
Is there any technology files or book taik about linux auditd service detailly? nerazzurri	11-26-2018 06:29 AM by scasey	1	573
Where are hackers getting invoicing information mfoley	11-26-2018 12:54 AM by JJJCR	4	730
OS level role/command based privileged escalation for use with automation via a front-end/back-end process with additional authentication imthenachoman	11-25-2018 05:09 PM by imthenachoman	4	475
[SOLVED] cannot ssh to valid user while I can su to it dereut	11-25-2018 03:35 AM by dereut	2	2,819
“ls” shows group owner as “root”, but real gid is different ranshalit	11-24-2018 03:11 PM by berndbausch	3	2,352
Any suggestions how to do properly sandboxing on Debian? cerber	11-23-2018 12:46 PM by RickDeckard	6	983
Suricata as IPS JJJCR	11-21-2018 07:16 PM by JJJCR	4	1,165
iptables xtables-addons installation failure CrazyDavy	11-20-2018 11:07 AM by jeremy	1	1,924
[SOLVED] SSDs with hardware encryption busted. linustalman	11-18-2018 04:06 AM by pan64	9	971
[SOLVED] SSH fingerprint changed by router NAT tables? upnort	11-15-2018 02:23 PM by upnort	5	1,197
Restricting sensitive information in the core dumps sk_azeem	11-14-2018 08:53 AM by dugan	9	2,960
ssh for non-root user: permission denied, please try again taz.hasan	11-13-2018 03:23 AM by taz.hasan	4	4,569
[SOLVED] permissions issue on /usr/local/bin BW-userx	11-12-2018 06:01 AM by BW-userx	8	27,552
[SOLVED] Can't not login to CentOS 7 via console (vSphere) jeffchung	11-11-2018 07:30 PM by jeffchung	4	16,643
Manjaro + LUKS ( full disk crypt) + key external USB drive + keyencrypt John Fergusson	11-11-2018 11:31 AM by John Fergusson	2	2,604
PHP script that detects if auth is required or not on Apache Splunk syrius	11-09-2018 02:55 PM by syrius	3	613
Is my debian installation compromised? ( 1 2 ) nickkefi	11-07-2018 02:21 PM by nickkefi	20	1,298
Home directory.....fairly new install 3rdostridge	11-07-2018 11:09 AM by lougavulin	5	669
my Grub file.........is this a normal grub file, I have questions of remote access 3rdostridge	11-06-2018 10:42 PM by RickDeckard	2	599
is it bad to have both FCHECK and SAMHAIN running together (debian 9)? tinstaafl	11-06-2018 04:50 PM by RickDeckard	1	539
Dual boot 2 Linux OSes with full disk encryption and dedicated shared storage MrLinuxUser12	11-05-2018 05:03 AM by zeebra	3	2,171
Any security issues with allowing shell scripts to be run through a html page regstuff	11-03-2018 10:19 AM by scasey	13	835
Double Encryption gsnj2	11-03-2018 04:42 AM by ondoho	3	845
many http connection to apache server ( 1 2 ) catiewong	11-02-2018 01:50 PM by scasey	15	1,043
Iptables max security rules justlinux543w	11-01-2018 03:01 PM by business_kid	1	978
MAC filtering in hostapd using iptables mackowiakp	10-31-2018 11:49 PM by mralk3	3	2,759

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