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User Manual of FRT-415N
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5.4.2.3 ALG
An application layer gateway (ALG) is a feature that enables the gateway to parse application layer payloads and
take decisions on them. ALG is typically employed to support applications that use the application layer payload
to communicate the dynamic Transmission Control Protocol (TCP) or User Datagram Protocol (UDP) ports on
which the applications open data connections. Such applications include the File Transfer Protocol (FTP) and
various IP telephony protocols.
Figure 5-39
ALG
Summary of Contents for FRT-415N
Page 1: ...User Manual of FRT 415N 1 ...
Page 29: ...User Manual of FRT 415N 29 Figure 5 5 Statistics ...
Page 32: ...User Manual of FRT 415N 32 Figure 5 9 Wizard Bridge Save 5 2 2 IPoE Figure 5 10 Wizard IPoE ...
Page 34: ...User Manual of FRT 415N 34 5 2 3 PPPoE Figure 5 13 Wizard PPPoE Figure 5 14 Wizard PPPoE WLAN ...
Page 35: ...User Manual of FRT 415N 35 Figure 5 15 Wizard PPPoE Save ...
Page 89: ...User Manual of FRT 415N 89 Figure 5 67 IPv6 ACL WAN ...