How to configure vpn under linux

i set up the vpn server on leopard and can access it alright with my leopard client. i gave the following instructions to our linux guys:
type: L2TP
server: server.com
internal IP: 192.168.1.1
account name: user_shortname
password: user_password
shared secret: secret
the guys returned the following question:
1. what encryption
2. what hash algorithm
can anybody tell me what they still need to configure their client?
thanx

It would probably be better to post this question in the JDBC forum, but what database and driver are you using?

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tcpdump on server60060pxe
03:16:12.292836 IP server60060pxe.42445 > client60001dev.20759: UDP, len
gth 516
03:16:12.303646 IP client60001dev.20759 > server60060pxe.42445: UDP, len
gth 4
03:16:12.303669 IP server60060pxe.42445 > client60001dev.20759: UDP, len
gth 516
03:16:12.314479 IP client60001dev.20759 > server60060pxe.42445: UDP, len
gth 4
03:16:12.314501 IP server60060pxe.42445 > client60001dev.20759: UDP, len
gth 516
03:16:12.325313 IP client60001dev.20759 > server60060pxe.42445: UDP, len
gth 4
03:16:12.325347 IP server60060pxe.42445 > client60001dev.20759: UDP, len
gth 516
03:16:12.336158 IP client60001dev.20759 > server60060pxe.42445: UDP, len
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BB9A86F
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