Decoder Reference
R&S
®
GP-E/GP-S
209User Manual v16.2.1 ─ 01
Annex
A Decoder Reference
The gateprotect Firewall protocol decoder can detect FTP commands and HTTP MIME
types in traffic flows.
A.1 FTP Commands
Firewall rules that use the decoder can inspect the contents of traffic flows for FTP
commands.
Table A-1: Supported FTP commands.
Command Expected action
abor
Abort an active file transfer or a previously fired command
acct
Account information
adat
Authentication/Security data
allo
Allocate sufficient disk space to receive a file
appe
Append data transfered via the data connection to the existing file
auth
Authentication/Security mechanism
ccc
Clear command channel
cdup
Change to the parent directory
conf
Confidentiality protection command
cwd
Change the working directory
dele
Delete file
enc
Privacy protected channel
eprt
Specify an extended address and port to which the server should connect
epsv
Enter extended passive mode
feat
Get the feature list implemented by the server
help
Help
lang
Language negotiation
list
Return information of a file or directory if specified, else information of the current working
directory is returned
lprt
Specify a long address and port to which the server should connect
lpsv
Enter long passive mode
mdtm
Return the last-modified time of a specified file
FTP Commands
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