snmp proxy freeware downloads
Anti-Spam SMTP Proxy Server
2.8.1 Build 24261 freeware downloadThe Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Bayesian, Greylisting, ... level based open plugin support V2 - transparent proxy support / BATV check and signing V2 - ...
IP Sniffer
1.99.3.1 freeware download... resolve IP from/to MAC, ARP scan, Create ARP proxy, send a WAKEUP call, RARP client / server, ... ICMP, DHCP. - Change MAC address. view - SNMP Get & Set, List interfaces, Switch port mapper, ...