Network strings 0.18 for Linux released. Network strings or netstr is an ipv4 portscanner with variable timers, top ports list, port range and strobe support. Netstr also can perform single port checks using ipv6 sports an abbreviated tcpdump/arpsniff capability (with full packet decoding support) and last (definitely not least) a fuzzy passive port scanner. The latest release includes performance enhancements, a smaller code base and new options such as exit after first connect. More information can be found on the project homepage at systhread.net/coding/netstr.php.