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	30,794
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	40,824
Sticky: Alert (TA16-250A) The Increasing Threat to Network Infrastructure Devices and Recommended Mitigations tronayne	09-07-2016 06:25 AM by tronayne	0	13,348
Sticky: The OWASP Top 10 for 2013 unSpawn	06-15-2013 05:42 AM by unSpawn	0	18,099
Sticky: Security references unSpawn	02-25-2006 01:04 AM by unSpawn	6	242,233
Sticky: Failed SSH login attempts ( 1 2 3 ) Capt_Caveman	01-03-2006 03:22 PM by unSpawn	38	228,029
Systemtap Rootkits? tux111	10-14-2013 07:02 AM by vishesh	1	815
Backup a secure USB Flash Stick Jerry Mcguire	10-13-2013 08:38 PM by corp769	4	1,066
[SOLVED] SSL Certificates - ca.key, ca.csr & ca.crt questions canopus69	10-13-2013 07:33 PM by canopus69	6	1,518
[SOLVED] Snort Alert: DNS SPOOF query response with TTL of 1 min. and no authority OtagoHarbour	10-13-2013 09:26 AM by unSpawn	3	8,707
[SOLVED] Denial of Service Vulnerability Alert from Snort OtagoHarbour	10-13-2013 09:26 AM by unSpawn	7	10,938
nmap returns 5900/tcp open vnc, have I been hacked?? cbider	10-13-2013 06:43 AM by Turbocapitalist	3	5,088
[SOLVED] "SELinux Has detected suspicious behaviour on your system " RHEL 6 manoj_hanse	10-11-2013 06:05 AM by manoj_hanse	14	2,258
[SOLVED] trouble with remote logging using syslog-ng austinium	10-11-2013 12:34 AM by austinium	11	4,195
iptable port question canopus69	10-10-2013 01:03 AM by CodeFreaker	2	827
[SOLVED] AllowUsers and AllowGroup not working together snjksh	10-09-2013 08:17 AM by sundialsvcs	4	3,970
Spam header help plisken	10-08-2013 09:18 PM by frankbell	2	707
chrooted sftp on centos 6.4 and public key auth garba	10-08-2013 12:52 PM by Habitual	1	2,148
port based nating with iptables shiladitya	10-08-2013 03:58 AM by shiladitya	4	1,348
Limited user access with key control to sftp only? newbie14	10-08-2013 03:43 AM by newbie14	6	658
[SOLVED] Compromised machine? The MoD	10-08-2013 02:02 AM by The MoD	5	704
creating limited sftp access barry1946	10-07-2013 07:21 AM by Turbocapitalist	3	706
Root Access of Server compromised prashant.jadhav	10-07-2013 02:51 AM by CodeFreaker	2	820
Suppressing password echo is harmful zagam	10-06-2013 10:49 PM by zagam	8	2,336
Import SSL certs to red5 keystore. munkz	10-05-2013 03:34 AM by munkz	0	1,771
iptables & geoip ddaas	10-04-2013 04:57 PM by sethuper	6	10,823
[SOLVED] SSL Connection Error JJJCR	10-03-2013 09:56 PM by JJJCR	13	10,803
[SOLVED] Changing permissions for new files, but only for one directory tlb944	10-03-2013 09:07 PM by chrism01	2	934
Port Forwarding using iptables imohammad	10-03-2013 08:39 PM by chrism01	2	864
Group and chmod questions wolfsden3	10-03-2013 08:34 PM by chrism01	5	935
GnuPG public key and RSA algorithm. bucovaina78	10-03-2013 08:13 PM by chrism01	7	987
sudo access trouble slufoot80	10-03-2013 08:04 PM by chrism01	6	978
etc directry chmoded to 777? bungeebones	10-03-2013 07:10 PM by chrism01	7	992
Defacement of websites serverwide i4visualmedia	10-02-2013 03:44 PM by unSpawn	7	1,691
Malware that attacks DMA and hides in peripherals H_TeXMeX_H	10-02-2013 12:43 AM by qlue	9	1,314
Digitally Signed Executables AKA Code Signing muahahaha9001	10-01-2013 11:07 PM by kbp	1	1,320
Secured ssh login without password and without paraphrase? Xeratul	10-01-2013 08:16 AM by Habitual	10	3,390
[SOLVED] gpg decrypt without using passphrase ilesterg	09-30-2013 09:20 PM by ilesterg	7	21,203
Setting up ssh access with keys with Putty keymoo	09-30-2013 08:20 PM by sundialsvcs	3	1,539
SQL Injection and BASE (Basic Analysis And Security Engine) OtagoHarbour	09-30-2013 01:36 AM by unSpawn	3	865
iptables - nat table - how does it 'remember' a tcp connection? keshavsp	09-29-2013 03:08 PM by keshavsp	4	2,729
[SOLVED] Encrypting a hard drive with opensuse arodlinux	09-28-2013 08:47 PM by lleb	1	1,149
Mail Spoofing Spam Attack _BaZinGa	09-27-2013 05:18 AM by TenTenths	3	1,308
iptables: No chain/target/match by that name. ( 1 2 ) symeon.mattes	09-27-2013 04:25 AM by zhjim	15	6,793
[SOLVED] What is the most efficient way to handle a Tripwire .twr report file? OtagoHarbour	09-27-2013 01:15 AM by unSpawn	7	2,473
implications of acl read for system user on /etc/shadow? Recommend other ways? johnwesselcom	09-26-2013 01:19 AM by unSpawn	2	825
Encryption typed duachuot30_4	09-24-2013 09:34 PM by duachuot30_4	4	784
[SOLVED] tkhunter Warning: Suspicious file types found in /dev: OtagoHarbour	09-24-2013 09:07 PM by unSpawn	7	20,862
psad (port scan attack detector) email alert configuration kikilinux	09-23-2013 06:22 PM by twantrd	1	1,425
Please provide answers for the following questions..... Mallikarjuna Rao	09-23-2013 05:26 AM by pan64	1	744
Help With Password Complexity and pam_passwdqc dagvaktin	09-23-2013 02:00 AM by dagvaktin	5	11,806
Final solution in reference to thread "IPTABLES rules for active FTP" onetimeposter	09-22-2013 11:45 PM by onetimeposter	0	1,012
Removing ssl security but sticking to https:// ( 1 2 ) abdo_elrahman	09-22-2013 04:48 AM by TenTenths	17	1,155
with RSA saying the NSA has put a backdoor in their code when lleb	09-21-2013 02:57 AM by unSpawn	9	1,514
encryptfs password did not update after passwd change - Ubuntu 12.10 Thaidog	09-20-2013 10:32 PM by Thaidog	0	3,626
Unable to connect to the SLES 11 (sp3) dual stack box over IPv6 maheshcamath	09-20-2013 09:44 AM by maheshcamath	0	868

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