Ftp Alg. FTP ALG problem to your FTP server — Zyxel Community @CassieB_1booi: these ALG serve a purpose - allowing complex protocols traverse the router You can transfer files using the FTP protocol by configuring an LSN pool, configuring an FTP profile, and then assigning the LSN pool and FTP profile to a virtual server..
FTP穿越单双NAT ALG实验 灰信网（软件开发博客聚合） from www.freesion.com
To enable, go to NAT >> ALG, Check Enable ALG; Check Enable SIP/RTSP ALG, and input SIP/RTSP Listen Port per server settings, TCP and UDP are configurable For setting up the second FTP server, please repeat Step 2 and then select FTP_ALG in the quick select list and the system will input the default port 2021 in the External Port field
FTP穿越单双NAT ALG实验 灰信网（软件开发博客聚合）
An Application Layer Gateway (ALG) enables the gateway to parse application layer payloads and take decisions whether to allow or deny traffic to the application server As a result, when addresses and ports are rewritten, the TCP sequence number might be changed, and thereafter the NAT service needs to maintain this delta in SEQ and ACK numbers by performing sequence NAT on all subsequent packets ALGs supports the applications such as Transfer Protocol (FTP) and various IP protocols that use the application layer payload to communicate the dynamic Transmission Control Protocol (TCP) or User Datagram Protocol (UDP.
防火墙FTP非标准端口配置 山石网科知识库. The FTP ALG profile supports both active and passive modes, where data connections are initiated either from an FTP server (active mode) or from a client (passive mode) Thus if you see a router primarily as a device to provide functionality it makes sense to have these options enabled by default.
Everything you never knew about NATs and wish you hadn't asked. (This includes automagic port forwarding when NAT is in use.) Hi All, Could some one please advice what is mean by " Enable ftp-ALG (Manager port) if not available then open TCP 54000-54999 (CWM FTP PSV) " ?? And how to do it ? Thanks in Advance, Prasanna Kumar Desireddy