8 More Discussions You Might Find Interesting
1. Emergency UNIX and Linux Support
Dear community,
my site was recently attacjed by DDOS technique and goes down in a few minutes. My site runs under Debian/Apache2/Mysql.
I identified the IPs who attack me and block it through iptable firewall from debian.
Something like:
iptables -D INPUT -s xxx.xxx.xxx.xxx -j DROP
This... (7 Replies)
Discussion started by: Lord Spectre
7 Replies
2. Shell Programming and Scripting
I want to test the effectiveness of sshguard on some of my systems so I'm trying to write a script that simulates a brute force attack by sending a bunch of different username and password combinations to the servers being tested. So far I have this:
#!/usr/local/bin/expect
set timeout 3... (5 Replies)
Discussion started by: ph0enix
5 Replies
3. Cybersecurity
How to protect DDoS and brute force attack.
I want to secure my server and block attacker. (1 Reply)
Discussion started by: romanepo
1 Replies
4. Cybersecurity
Is this an attack attempt? I got an e-mail from 'uucp Admin' last night and again this morning:
What does it mean and what can I do about it? Thanks (4 Replies)
Discussion started by: ctafret
4 Replies
5. Cybersecurity
In my logs I find entries about attacks on my system. I know IP addresses, I know date and time and I know what they tried to do. So what's the best I can do now? Tell everybody that there are cybercriminals on that network? Write an email to their admin? Anything else? (10 Replies)
Discussion started by: Action
10 Replies
6. Cybersecurity
Hi,
I have a belkin router installed and a look at the security log has got me worried a little bit.
Security log:
Fri Jan 29 20:41:46 2010
=>Found attack from 68.147.232.199.
Source port is 58591 and destination port is 12426 which use the TCP protocol.
Fri Jan 29 20:41:46 2010 ... (1 Reply)
Discussion started by: jld
1 Replies
7. Cybersecurity
About 3 days ago our Apache logs started filling with the following errors:
mod_ssl: SSL handshake failed (server <weberver>:443, client 41.235.234.172) (OpenSSL library error follows)
OpenSSL: error:1408A0B7:SSL routines:SSL3_GET_CLIENT_HELLO:no ciphers specified
These initially were... (1 Reply)
Discussion started by: ccj4467
1 Replies
8. UNIX for Advanced & Expert Users
Hi,
I'm trying find out if there is a way to stop a brute force attack on a Webmail site. I'm trying to setup a webmail access, but I would like to prevent too many invalid logins from the same IP.
I've looked into Snort, but I was wondering if there was an application level firewall that can... (1 Reply)
Discussion started by: nitin
1 Replies