Nmap Announce mailing list archives
Nmap 2.54BETA2 released
From: Fyodor <fyodor () insecure org>
Date: Tue, 1 Aug 2000 04:18:59 -0700 (PDT)
Hello everyone, I am pleased to announce the release of Nmap 2.54BETA2. Here are some of the most important changes: -- Added a shortcut which can make single port SYN scans of a network much faster. For example, if a new sendmail vulnerability is found, this reduces the time it takes to scan your whole network for port 25. This shortcut takes effect when you do "-PS<port> -sS -p<port>". For example 'nmap -n -sS -p25 -PS25 24.0.0.0/8". This optimization doubled the scan speed in a 30,000 IP test I performed. -- Added -sL (List scan). Just as ping scan (-sP) allows you to short circuit the scan right after pinging, -sL allows you to short circuit the scan right after target selection. This allows you to see what hosts WOULD be scanned without actually doing it. The hosts will be resolved unles you use -n. Primary uses: 1) Get all the IPs in a network (like A.B.C.D/16) and take out machines that are too fragile to be scanned safely before calling Nmap with the new list (using -iL). 2) Test that a complex spec like 128.4,5,7-9.*.7 does what you expect before actual scanning. 3) When all you want to do is resolve a bunch of IPs. 4) You just want results of a zone transfer (if/wnen implemented). -- Added some new fingerprints and adjusted some others based on submissions to the DB (I still have a lot more to go through so don't worry if your submission is still not detected). -- Added a warning when you scan 0 hosts (eg "nmap -v"). There are various other output tweaks as well. For those of you running Linux/x86 w/a recent version of rpm (www.rpm.org), you can install/upgrade to the newest version of nmap/nmapfe with these commands: rpm -vhU (nmap url) where (nmap url) is one (or both) of these: http://www.insecure.org/nmap/dist/nmap-2.54BETA2-1.i386.rpm http://www.insecure.org/nmap/dist/nmap-frontend-0.2.54BETA2-1.i386.rpm source tarballs and source RPMs are available at: http://www.insecure.org/nmap/ Let me know if you find any problems. Cheers, Fyodor -------------------------------------------------- For help using this (nmap-hackers) mailing list, send a blank email to nmap-hackers-help () insecure org . List run by ezmlm-idx (www.ezmlm.org).
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- Nmap 2.54BETA2 released Fyodor (Aug 01)