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North American Network Operators Group

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RE: Lawful Interception in the world...

  • From: Ben Buxton
  • Date: Wed Feb 12 03:35:15 2003

> I'm trying to collect some informations on Lawfull 
> Interception over the
> world...
> Does any country in the world require such things ?

It's a legal requirement for all ISPs in the Netherlands. If the
government wants to snoop on someone, they have to issue a special
warrant type, and the ISP must provide copies of all packets for the
particular person.

>From memory, there is no requirement to "decode" the packets
and extract L4+ info. Just the raw IP suffices.

There is a system developed and adopted by many ISPs to do this
with minumum effort, and almost automated, involving dedicated
switches and servers.
A users packets are not logged until the warrant arrives, so
they cannot say "give us all traffic that user bob sent last


> LOGS (6 months archive required)
>     - mail header logs (all mails, in, out, relay)
>     - pop3/imap/webmail access logs (all accounts)
>     - dhcp/dial/adsl/gprs/whatever accounting logs (all users)
> RealTime
>     - mail interception (IN,OUT,RELAY) for a certain From/To 
> address or a
> certain IP.
>     the mail has to be encrypted with PGP and sent directly to the Law
> enforcement as a mail attachement.
> Thank you for taking 2 minutes to answer to nanog or privatly, this is
> important.
> P.

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