Sometimes, there is a need to have more than one IP Addresses assigned to a PC or a Server. If you have multiple services running on a server like a webserver and a mail server and want to assign each of these services seperate IP Addresses the Multiple IP addresses will help. While this need not necessarily require to have more than one Network Interface Card (NIC) on the server.
Tag: gateway
ICMP Redirect messages from a gateway router
ICMP Redirect is a type 5 ICMP error message sent by a gateway router to a sending host informing of an optimal alternate route to the destination host and to update its routing table with the new host route to the target destination host. The router forwards the original packet to the next hop router or to the destination host and sends the ICMP Redirect message to the sending host so that the subsequent packets to the destination host can be sent via the new route.
iPIG – iOpus Private Internet Gateway
Anytime you use an internet connection in a public place like a public wireless hotspot or a hotel room internet acces, you put your data at risk. All data you send can be intercepted easily and quickly by those hackers out there looking for a victim, without your knowledge. Your data could be anything from email address, passwords, emails, Instant Messages or even credit card details.
HowTo: Add a Persistent Static Route in Redhat Enterprise Linux
If you know there is always going to be a permanent route for a destination then a static route can be a viable option.To add a persistent static route in Redhat Enterprise Linux create a file called route-<int>X in the /etc/sysconfig/network-scripts/ directory