Figure 2: Porting crack
% ftp ftp.uu.net
Connected to ftp.uu.net.
220 ftp.UU.NET FTP server ready.
Name (ftp.uu.net:rshill): anonymous
331 Guest login ok, send your complete e-mail address as password.
Password:
230 Guest login ok, access restrictions apply.
ftp> cd pub/security
250 CWD command successful.
ftp> get crack_4.1-tar.Z
200 PORT command successful.
150 Opening ASCII mode data connection for crack_4.1-tar.Z (105219 bytes).
226 Transfer complete.
local: crack_4.1-tar.Z remote: crack_4.1-tar.Z
105687 bytes received in 97 seconds (1.1 Kbytes/s)
ftp> quit
221 Goodbye.
% mkdir crack
% zcat crack_4.1-tar.Z | (cd crack; tar xvf -)
% cd crack
% more README
% cd Sources
% make
% cd ..
% vi Crack
% Crack -f /etc/passwd > Crack.out # Crack may run for a long time.
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