ASPF/ALG Support for Known Protocols

The FW can perform ASPF/ALG for the following known protocols. For scenario-based support details, see Table 1.

**Table 1** ASPF/ALG support for known protocols
Protocol	ASPF (IPv4)	ASPF (IPv6)	ALG (V4–V4)	NAT64 ALG (V4–V6/V6–V4)	DS-Lite ALG	NAT66 ALG (V6–V6)
DNS	Yes	No	Yes	Yes	No	No
FTP	Yes	Yes	Yes	Yes	Yes	Yes
H.323	Yes	No	Yes	Yes	Yes	No
ICQ	Yes	No	Yes	No	Yes	No
ILS	Yes	No	Yes	No	Yes	No
NETBIOS	Yes	No	Yes	No	Yes	No
MGCP	Yes	No	Yes	No	Yes	No
MMS	Yes	No	Yes	No	Yes	No
MSN	Yes	No	Yes	No	Yes	No
PPTP	Yes	No	Yes	No	Yes	No
QQ	Yes	No	Yes	No	Yes	No
RTSP	Yes	Yes	Yes	Yes	Yes	No
RSH	Yes	No	Yes	No	Yes	No
SCCP	Yes	No	Yes	No	Yes	No
SIP	Yes	Yes	Yes	Yes	Yes	No
SQLNET	Yes	No	Yes	No	Yes	No