Troubleshooting

While installing DHCP Server on Kali Linux, I faced following error: Shown Below: After doing some Google search, I came across that I’ve made some changes previously in “/etc/apt/sources.list” file. I set the sources list to the defaults as described on Kali Linux support forum as:   As shown in …

In this tutorial, I’ll be configuring BIND DNS Server on pfSense Firewall for Domains Names Lookup for internal as well as external network. 1- First of all, install BIND package from pfSense provided packages at: “System” Menu   >   “Packages”   >   “Available Packages”  > Search for “BIND”   Click on button …

When I used “check_dig” plugin to monitor DNS Resolution on TMG Gateway server using NSClient++, I faced following error:   Solution: To resolve this issue, first lets check what will provided ld-linux.so.2 file: Result on CentOS 7 64bit is: Let’s install required Addon: I’ve installed this as installing “glibc-2.17-55.el7.i686” gave …

Nagios is a great product for monitoring IT infrastructure. Since it is an open source product users can develop there own plugins to monitor what ever parameter they like to monitor. If you are using a plugin to monitor something and it shows “Return code of 13 is out of …

Nagios is a great product for monitoring IT infrastructure. Since it is an open source product, users can develop there own plugins to monitor what ever parameter they like to monitor. Different plugins may use different addons to be installed for them to work correctly. I used a script to …

I was struggling to get this working in one of the server while starting ProFTPd service. Even re-installing it didn’t resolve the issue. Following are the lines shown in log file:     SOLUTION: Finally I got it resolved and back on the track by adding Domain to IP resolution …

By default ISA Server and Threat Management Gateway (TMG) 2010 Server allow SSL Tunnel over port 443 only. If we try to access HTTPS traffic on other then 443 port, we face following error: HTTP/1.1 502 Proxy Error (The specified Secure Sockets Layer (SSL) port is not allowed. Forefront TMG …