Hi VPP team,

I understand that VPP has firewall and NAT support.
Some protocols are complex sessions, where they have control and data 
connections.
Few examples are SIP and FTP.

In these protocols,  control connection service port is well known, but not the 
ports related to data connections.
It is expectation to have SIP ALG and FTP ALG which interpret the control 
connection data, figure out the port on which data connections would be made 
and open temporary firewall holes to allow data connections. Linux IPTables 
support few ALGs, but it is in the Kernel.

In that context, does VPP firewall/NAT feature support ALGs?  Sorry, if it is 
the question asked already. I tried to search, could not find the answer.

Thanks in advance.

Thanks
Srini


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