F-Secure Internet Gatekeeper for Linux/Administrator’s Guide
141
221 Goodbye.
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<-----------------------------
Proxy mode, Active FTP
Client (0.0.0.3)
Internet Gatekeeper (fsigk,0.0.0.1)
FTP server (ftpserver, 0.0.0.2)
TCP connect(to:
0.0.0.1:9021)
----------------------------->
220 fsigk at fsigk
<-----------------------------
USER user@ftpserver
----------------------------->
TCP connect(to:
0.0.0.2:21)
----------------------------->
220 ftpserver
<-----------------------------
USER user
----------------------------->
331 Password required
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331 Password required
<-----------------------------
PASS password
----------------------------->
PASS password
----------------------------->
230 User logged in.
230 User logged in.
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<-----------------------------
PORT 0,0,0,3,0,3
----------------------------->
PORT 0,0,0,1,0,1
----------------------------->
200 PORT command successful.
<-----------------------------
200 PORT command successful.
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RETR /file
----------------------------->
RETR /file
----------------------------->
TCP
connect
(From: 0.0.0.2:20 To: 0.0.0.1:1)
<=====================
TCP connect
(From:
0.0.0.1:20 To: 0.0.0.3:3)
<=====================
150 Opening data connection.
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150 Opening data connection.
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File information
<=====================
(Virus scan)
File information
<======================
TCP close
TCP close.
<=====================
<======================
226 Transfer complete.
<-----------------------------
226 Transfer complete.
<-----------------------------
QUIT
----------------------------->
QUIT
----------------------------->
221 Goodbye.
221 Goodbye.
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