Cisco! Trying To Produce Lantencies For Testing
Jul 16, 2009
What I am trying to do is two controled tests.
1) Introduce a 250ms latency on a network from a source IP only.
2) Introduce a 5000ms latency on a network from a source IP only.
Optionally I would go for introducing the latency to all inbound, outbound traffic without the source IP restriction.
Network layout is as follows.
Cisco ASA5550/VPN Module Firewall with two
4506 switches behind it, one for Public VLAN one for Internal VLAN, multiple hosts connected to each switch both Windows and Linux.
Is there a way to introduce these latencies for testing purposes by some sort of Firewall or switch configuration?
I know I can use Cisco's NIST Net WAN emulation software but that is per host and would prefer to do this accross the entire network at one time.
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Aug 9, 2013
We are moving our hosting to a new supplier . We offer hosting services to our clients and our present system produces automatic emails with all the clients log in details passwords etc. when you join or buy a new URL.
The new hosting supplier tells me that using Parallels panel this isn't possible .
have to produce manual emails is not really an option as I see massive problems
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Dec 16, 2007
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Apr 21, 2009
I am migrating my website to Hostgator, and before I change the DNS entries, I want to make sure that everything displays properly. To do this, I have added an entry into my /etc/hosts file pointing the domain to the new host. If I then ping the domain, the reply comes from the correct IP address. However, if I try to view the website, it is still served by the old host.
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Apr 2, 2007
I have 2 questions here.
1. I have installed mod_evasive version 1.10.1 on a Cent OS 4.4 server.
I'm using the test.pl script that comes with mod_evasive to test the configuration and when running the script from the same server mod_Evasive is installed. The mod_evasive is able to detect the intrusion and block the IP of the server.
If I use the same test.pl script from an external server the requests come in and are viewable in the access log but mod_evasive doesnt block the IP of the external server. Probably is not blocing the ip of the external server because of latency.
Is there a way to modify the test.pl script to make it more agressive and get results when testing from an external server?
Here I'm pasting the code of the test.pl script:
Code:
#!/usr/bin/perl
# test.pl: small script to test mod_dosevasive's effectiveness
use IO::Socket;
use strict;
for(0..100) {
my($response);
my($SOCKET) = new IO::Socket::INET( Proto => "tcp",
PeerAddr=> "test.domain.tld:80");
if (! defined $SOCKET) { die $!; }
print $SOCKET "GET /?$_ HTTP/1.0
";
$response = <$SOCKET>;
print $response;
close($SOCKET);
}
2. Also, I have sendmail installed and on the mod_evasive config I have email address specified on DOSEmailNotify. When testing from the internal server with the test.pl script the server is able to block the ip, put in the hash table but it never sends an email to my email address.
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Mar 20, 2007
I just installed Mod Evasive and I want to fully test it but dont know how. I was planning to use Http Traffic Generator from NsaSoft but I'm afraid the ISP will block my IP space after testing the web site.
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Windows seems a little flaky to me on Xen unless I'm doing something wrong.
Stress tests based on a hosting environment would be perfect.
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Oct 14, 2008
I'm moving from my old XP PC to a new PC with Vista (a mistake, but that's a different story).
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Apr 10, 2007
I have 2 questions here.
1. I have installed mod_evasive version 1.10.1 on a Cent OS 4.4 server.
I'm using the test.pl script that comes with mod_evasive to test the configuration and when running the script from the same server mod_Evasive is installed. The mod_evasive is able to detect the intrusion and block the IP of the server.
If I use the same test.pl script from an external server the requests come in and are viewable in the access log but mod_evasive doesnt block the IP of the external server.
Probably is not blocing the ip of the external server because of latency.
Is there a way to modify the test.pl script to make it more agressive and get results when testing from an external server?
Here I'm pasting the code of the test.pl script:
Quote:
#!/usr/bin/perl
# test.pl: small script to test mod_dosevasive's effectiveness
use IO:ocket;
use strict;
for(0..100) {
my($response);
my($SOCKET) = new IO:ocket::INET( Proto => "tcp",
PeerAddr=> "test.domain.tld:80");
if (! defined $SOCKET) { die $!; }
print $SOCKET "GET /?$_ HTTP/1.0
";
$response = <$SOCKET>;
print $response;
close($SOCKET);
}
2. Also, I have sendmail installed and on the mod_evasive config I have email address specified on DOSEmailNotify. When testing from the internal server with the test.pl script the server is able to block the ip, put in the hash table but it never sends an email to my email address.
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Aug 1, 2008
way to see the subdomains people have been visiting of a new domain I've bought.
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Feb 25, 2007
We have recently moved to a new datacenter and I was wondering if anyone on these forums could provide their experiences with "real-world" testing.
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software, or an online service that will stress test our current setup? Obviously I have MRTG, Awstats, and a few other of the most well known polling packages installed and working correctly, but what does everyone else use for stress testing?
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I'm running a Fedora box and am getting these kinds of messages in /var/log/messages:
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Sep 18, 2007
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The reason I beleive is that DNS lookup was trying for each message in turn instead of running simultaniously which slowed it down.
Anyway, I am basically looking for a mail bomb with statistics!
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Apr 11, 2007
I have 2 questions here.
1. I have installed mod_evasive version 1.10.1 on a Cent OS 4.4 server.
I'm using the test.pl script that comes with mod_evasive to test the configuration and when running the script from the same server mod_Evasive is installed. The mod_evasive is able to detect the intrusion and block the IP of the server.
If I use the same test.pl script from an external server the requests come in and are viewable in the access log but mod_evasive doesnt block the IP of the external server. Probably is not blocing the ip of the external server because of latency.
Is there a way to modify the test.pl script to make it more agressive and get results when testing from an external server?
Here I'm pasting the code of the test.pl script:
Quote:
#!/usr/bin/perl
# test.pl: small script to test mod_dosevasive's effectiveness
use IO:Socket;
use strict;
for(0..100) {
my($response);
my($SOCKET) = new IO:Socket::INET( Proto => "tcp",
PeerAddr=> "test.domain.tld:80");
if (! defined $SOCKET) { die $!; }
print $SOCKET "GET /?$_ HTTP/1.0
";
$response = <$SOCKET>;
print $response;
close($SOCKET);
}
2. Also, I have sendmail installed and on the mod_evasive config I have email address specified on DOSEmailNotify. When testing from the internal server with the test.pl script the server is able to block the ip, put in the hash table but it never sends an email to my email address.
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Apr 12, 2007
Was wondering if anyone has any knowledge of stress testing a site? We have a PHP application (Apache + Mysql) that searches a database and displays a screen of results.
Each screen is different per user. We might have something like a few thousand people at any one time coming to the site and using it, so I was wondering how people normally go about testing for load, cpu, memory usage etc?
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Apr 3, 2009
I bought a webhost from hosting provider. But ImageMagick does not work. Hosting provider said ImageMagick is installed.
But ImageMagick still do not work! I think it is not installed properly [url]
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For the purpose of software testing, I'm looking for the cheapest possible web host which provides:PHP 5 in apache mode, without suPHP (this is primarily what I'd like to test -- I already have a host with suPHP) PHP's ftp extension MySQL
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Mar 5, 2009
I have seen that most hosting companies will post a download link with a file for speed testing purposes. I understand that I can download this and watch the speed, etc.
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