Draytek Vigor2860 Series User Manual page 407

Access Method There are three modes for you to choose.
Disable – the profile will be inactive. If you choose Disable,
all the web proxy profile appeared under VPN remote dial-in
web page will disappear.
Secured Port Redirection – such technique applies private
port mapping to random WAN port. There are two restrictions
for proxy web server for such selection: 1) it is only used for
WAN to LAN access, the web server must be configured
behind vigor router; 2) web server gateway must be indicated
to vigor router. In addition, users must execute "Connect"
manually in SSL Client Portal page.
SSL – if you choose such selection, web proxy over SSL will
be applied for VPN.
After finishing all the settings here, please click OK to save the configuration.
Vigor2860 Series User's Guide
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