11-26-2008
You cant?
netstat -na
lsof -i
8 More Discussions You Might Find Interesting
1. 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
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2. 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)
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These initially were... (1 Reply)
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3. 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
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4. 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
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5. 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
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6. Cybersecurity
How to protect DDoS and brute force attack.
I want to secure my server and block attacker. (1 Reply)
Discussion started by: romanepo
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7. 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
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8. 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
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LEARN ABOUT DEBIAN
mail::sendeasy::smtp
Mail::SendEasy::SMTP(3pm) User Contributed Perl Documentation Mail::SendEasy::SMTP(3pm)
NAME
Mail::SendEasy::SMTP - Handles the communication with the SMTP server without dependencies.
DESCRIPTION
This module will handle the communication with the SMTP server. It hasn't dependencies and supports authentication.
USAGE
use Mail::SendEasy ;
$smtp = Mail::SendEasy::SMTP->new( 'domain.foo' , 25 , 120 ) ;
if ( !$smtp->auth ) { warn($smtp->last_response_line) ;}
if ( $smtp->MAIL("FROM:<$mail{from}>") !~ /^2/ ) { warn($smtp->last_response_line) ;}
if ( $smtp->RCPT("TO:<$to>") !~ /^2/ ) { warn($smtp->last_response_line) ;}
if ( $smtp->RCPT("TO:<$to>") !~ /^2/ ) { warn($smtp->last_response_line) ;}
if ( $smtp->DATA =~ /^3/ ) {
$smtp->print("To: foo@foo") ;
$smtp->print("Subject: test") ;
$smtp->print("
") ;
$smtp->print("This is a sample MSG!") ;
if ( $smtp->DATAEND !~ /^2/ ) { warn($smtp->last_response_line) ;}
}
$smtp->close ;
METHODS
new ($host , $port , $timeout , $user , $pass)
Create the SMTP object and connects to the server.
connect
Connect to the server.
auth_types
The authentication types supported by the SMTP server.
auth($user , $pass)
Does the authentication.
print (data)
Send data to the socket connection.
cmd (CMD , @MORE)
Send a command to the server.
response
Returns the code response.
If wantarray returns an ARRAY with the response lines.
last_response
Returns an ARRAY with the response lines.
last_response_msg
The last response text.
last_response_line
The last response line (code and text).
close
QUIT and close the connection.
AUTHOR
Graciliano M. P. <gm@virtuasites.com.br>
COPYRIGHT
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.12.4 2004-04-09 Mail::SendEasy::SMTP(3pm)