tg585 firewall rule add IP addresses

Hello,

I have a thomson TG585v7 router and I'd like to configure its firewall to allow connecting to http only from my office IP addresses. They all look like A.B.C.*
but can vary under that same format.

The srcip argument takes a "source ip expression", but when i try with * it fails to work

Rds,

 

On Sun, 8 Jun 2014 02:05:32 -0700 (PDT)

From what I can see you can only create an IP expression for a
continuous range, so you'll have to create a new rule for each of
those, or create a rule for the whole range and then add blocking rules
for the excluded IP addresses. It's unclear whether that takes the form
of a simple range expression a.b.c.d-a.b.c.f or a standard network
address and netmask a.b.c.d/nnn but I don't think it would be anything
else.