Ftp Server; Figure 25: Tr-069 Connection Settings Page; Tr-069 - Grandstream Networks GAC2500 Security Manual

TR-069

TR-069 is enabled by default, which means the connection request port 86400 is open for TR-069 session.
If the user does not need TR-069 service, it's recommended to disable it. When TR-069 is enabled and the
service is to be used, users can also consider using a different connection request port other than the well-
known port 86400 for security purpose.
Figure 21: TR-069 Connection Settings Page

FTP Server

FTP server is disabled by default on GAC2500. It can be enabled from LCD menu→ app. FTP service
on GAC2500 uses port 2121. After the user enables FTP server on GAC2500 and connects to it, users can
browse the GAC2500 files such as screenshots from a remote PC. It is recommended to disable the FTP
server during normal usage, and only turn it on for specific purpose. After the file is retrieved, please disable
the FTP server.
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GAC2500 Security Guide