network-scanner

Crawling, spidering, getting data

Hi All, I want to write a crawler to do some inventory of infrastructure (routers, WAPS, systems, etc) So I understand a crawler, implementing is a different story. So I have an app sitting on a server and how do I deploy it. How does the crawler start looking? Say I wanted to inventory unknown subnets, etc? How does the crawler send...

How do I detect hosts on my LAN?

To help users, I would like my code to discover Oracle databases on the LAN. I thought to do this by first detecting all hosts, then checking each host to see if it is listening on Oracle's default port. Any ideas how to go about this? Preferably in Java, but any language or algorithm would do. ...

Redirect Traffic from NIC to Another NIC On Separate Networks While Using Remoting

The project I'm working on is to handle data capture from scan guns (Pocket PC 2003) and process this data on a host (Win XP) then into our inventory database on a separate server (Win 2000). This is all driven by the Remoting framework provided by MS and As Good As It Gets (http://gotcf.net). The application is complete enough for a gen...

c# tcp port scanner resources

hi does anyone knows of any .net library or resources that will assist me to implement a tcp port scanner? thanks ...

sockets - discover firewalled ports

I was reading the nmap source code because I'd like to find out how does it discover that certain ports are filtered or firewalled. I have some experience with sockets in c and i've built simple port scanners, that's easy - if the connection succeeds, the port is open, otherwise it's closed (because of the RST returned). But in case with...