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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	30,794
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	40,814
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,347
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,098
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,226
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	228,008
Server recommended vs. common practices upnort	09-21-2019 06:41 PM by upnort	6	712
IPv6 ordered allocation & Dynamic Hosting AsgAnquietas	09-17-2019 08:03 PM by Skaperen	2	543
Centos 7.5 - Adding 2nd Realm for Authentication Jamie-1971	09-17-2019 05:05 AM by tyler2016	3	549
Nftables rules for desktop lecramyajiv	09-16-2019 02:30 PM by lecramyajiv	3	1,407
When using ubuntu software updater, sometimes I am asked for password and other times I am not Raxnic	09-15-2019 01:34 PM by Raxnic	2	645
My Computer has a virus from the snapd/snap set. Larry James	09-14-2019 09:20 AM by Larry James	4	972
[SOLVED] firewalld change via XML file dc.901	09-13-2019 03:41 PM by dc.901	3	2,012
No inbound SAD entry present in Racoon ipsec Durga@84	09-06-2019 10:05 PM by Durga@84	2	1,040
Honeyd in docker-container Carlos Kombo	09-06-2019 08:36 PM by Carlos Kombo	9	1,631
limit ssh, httpd to eth0 only and block icmp shahmeer75	09-05-2019 09:57 AM by tyler2016	3	611
[SOLVED] kerberos user lelunicu	09-04-2019 12:23 PM by pan64	1	732
oracle internet directory help vinmansbrew	09-04-2019 10:06 AM by tyler2016	2	627
[SOLVED] SSH login tracking and session activity Tracking Veen77	09-04-2019 09:11 AM by Veen77	9	4,033
IPSec IKEv2 routing on OpenWRT Bernd123	09-03-2019 04:08 AM by asitjoshi	1	3,537
isc dhcp server for ipv6 Durga@84	09-01-2019 07:36 AM by wpeckham	1	1,181
In the ubuntu or any other Linux, can we monitor the syslog with snort ? winxlinx@gmail.com	08-31-2019 07:17 AM by wpeckham	3	727
[SOLVED] Changing UID & GID for existing user yogesh_attarde	08-31-2019 03:02 AM by zeebra	5	6,650
Removing Luks Encryption from SSD Alinda	08-31-2019 02:45 AM by zeebra	4	2,205
Centos 7 ssh authenticating with Radius fatbunny	08-30-2019 03:47 AM by fatbunny	1	5,781
user authentication lelunicu	08-29-2019 01:53 AM by lelunicu	2	578
kerberos lelunicu	08-29-2019 01:50 AM by lelunicu	2	598
Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password) yagboko	08-26-2019 01:49 AM by yagboko	2	1,340
How to make 2nd root with limited root access Winanjaya	08-24-2019 10:19 AM by rtmistler	2	557
Verify a signed file with openssl console zvivered	08-24-2019 06:03 AM by zvivered	1	510
Webmin - security JJJCR	08-22-2019 08:53 PM by JJJCR	4	1,465
[SOLVED] pki ( 1 2 ) lelunicu	08-20-2019 04:11 PM by phil.d.g	17	1,107
Racoon ipsec installation on centos 7 Durga@84	08-20-2019 01:32 AM by ehartman	3	2,725
PGP encrypt outgoing email (Postfix) Märk Owen	08-19-2019 08:25 PM by phil.d.g	1	2,663
[SOLVED] Encryption of OS, part of it or none? ( 1 2 ) jones5	08-19-2019 03:07 AM by zeebra	23	1,623
gpg stalls key management, seahorse enigmail all affected galen	08-17-2019 03:00 PM by computer_freak_8	1	733
Chkrootkit results opinion. actinide	08-16-2019 11:51 AM by ADDn00b	3	2,047
switching from ip(6)tables to nftables bartgrefte	08-16-2019 07:17 AM by bartgrefte	4	1,417
safely erase SSDs vincix	08-15-2019 05:07 PM by vincix	2	847
User login keyring password changing itself after reboot every now and then cesaar	08-14-2019 03:14 PM by permaroot	1	752
logging in using a one time sms code ronnyr7	08-12-2019 11:25 AM by allend	7	1,283
[SOLVED] Encryption? - How to secure a setup and bash scripts. ( 1 2 ) n0rthst4r	08-11-2019 02:26 AM by n0rthst4r	16	1,695
To what extent sending logs to a remote server is secure? l0f4r0	08-10-2019 01:31 PM by l0f4r0	2	618
Secure Boot on or off ? verndog	08-10-2019 05:22 AM by business_kid	11	1,216
GDM login screen piobair	08-09-2019 07:23 AM by piobair	2	984
[SOLVED] How to resolve Vulnerability ID 42873 SSL Medium Strength Cipher Suites Supported (SWEET32)? Latitude	08-08-2019 03:11 PM by Latitude	4	26,989
Preventing attacks over https chrisguk	08-08-2019 01:55 PM by teckk	1	565
[SOLVED] sharing permissions: Linux <> FreeBSD BW-userx	08-08-2019 11:59 AM by zeebra	3	686
Keep notification to reboot visible after kernel update Geoff Cutter	08-06-2019 07:47 PM by Geoff Cutter	2	652
Nginx setting to block robots and proxy not working newbie14	08-05-2019 04:06 AM by ondoho	13	3,277
firewalld doesn't open port miccze	08-02-2019 03:26 AM by miccze	3	2,345
DDos Attack udp flood nikusha774	07-31-2019 08:04 PM by RickDeckard	1	1,464
configure ufw zpimp	07-30-2019 11:12 AM by scasey	2	821
Rkhunter gives warnings about large shared memory segments and a few strange files Seniark	07-29-2019 07:02 AM by StormFiber	6	17,718
Brute force forgotten characters in password? Gremlin99	07-28-2019 06:39 PM by LU344928	13	1,178
[SOLVED] Hide metasploit ip address cerber	07-28-2019 05:18 AM by unSpawn	1	1,804

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