Hi,

I have a Zyxel router at a small remote site and need to set up some rules to 
allow/ deny access to services behind it.

The manual for the router is shocking and although describes where the firewall 
is, doesn't explain the way that it should be configured.

Does anyone have any experience of these at all and can confirm the following:

This only allows PPTP from a single IP address to the VPN server on the other 
side.

[cid:[email protected]]
[cid:[email protected]]

And this allows SMTP traffic in from anywhere.

[cid:[email protected]]
[cid:[email protected]]

Or, should the "anywhere rule" be notated as 0.0.0.0 / 0.0.0.0?

Gavin Wilby
IT Support Engineer

SMP Partners Ltd
Clinch's House, Lord Street,
Douglas, Isle of Man IM99 1RZ
Tel +44 1624 682214
Mob +44 7624 480575
[email protected]<mailto:[email protected]> 
www.smppartners.com<http://www.smppartners.com/>

A member of the SMP Partners Group of Companies


SMP Partners Limited, SMP Trustees Limited and SMP Fund Services Limited are 
licensed by the Isle of Man Financial Supervision Commission. SMP Accounting & 
Tax Limited is a member of the ICAEW Practice Assurance Scheme.

SMP Partners Limited registered in the Isle of Man, Company Registration No: 
000908V
Directors: M.W. Denton, M.J. Derbyshire, P.N. Eckersley, S.E McGowan, O. Peck, 
J.J. Scott, S.J. Turner

SMP Trustees Limited registered in the Isle of Man, Company Registration No: 
068396C
Directors: A.C. Baggesen, M.W. Denton, O. Peck, J.J. Scott, J. Watterson, J. 
Cubbon

SMP Fund Services Limited registered in the Isle of Man, Company Registration 
No: 120288C
Directors: V. Campbell, M.W. Denton, P.N. Eckersley, D.A. Manser, S.E McGowan, 
O. Peck, J.J. Scott, R.K. Corkill 

SMP Accounting & Tax Limited registered in the Isle of Man, Company 
Registration No: 001316V
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S.J. Turner

SMP Capital Markets Limited registered in the Isle of Man, Company Registration 
No: 002438V
Directors: M.W. Denton, M.J. Derbyshire, D.F Hudson, S.E McGowan, O. Peck, J.J. 
Scott.

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Accounting & Tax Limited and SMP Capital Markets Limited are members of the SMP 
Partners Group of Companies.

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