[CentOS] Securing serial ports - fax modems [ot]

Jason Pyeron jpyeron at pdinc.us
Fri Jul 25 20:38:37 UTC 2008


Friday humor:
 

> -----Original Message-----
> From: centos-bounces at centos.org 
> [mailto:centos-bounces at centos.org] On Behalf Of James B. Byrne
> Sent: Friday, July 25, 2008 4:27 PM
> To: centos at centos.org
> Subject: [CentOS] Securing serial ports - fax modems
> 
> I have already deployed a fax server and am about to deploy a 
> backup system for this host at our off-site facility.  It 
> struck me that I have given no thought to securing the serial 
> port to unauthorized access.  The modem is a Multi-Tech 
> MT5634ZBA which supports data as well as fax.  So this poses 
> the same type of risk, if not to the same degree, as an ssh 
> or telnet port but without the availability of a firewall to 
> throttle repeated unsuccessful connection attempts.


Use a 900 number, like 1-900-PAY-4LOG (729-4564).

> 
> Are there any recommendations on what should be done in this 
> circumstance or am I fretting unduly?
> 
> Regards,
> 
> -- 
> ***          E-Mail is NOT a SECURE channel          ***
> James B. Byrne                mailto:ByrneJB at Harte-Lyne.ca
> Harte & Lyne Limited          http://www.harte-lyne.ca
> 9 Brockley Drive              vox: +1 905 561 1241
> Hamilton, Ontario             fax: +1 905 561 0757
> Canada  L8E 3C3
> 
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