phone numbers:

dial-up number: 0845 11 99 000
technical support: 0845 11 99 999
sales: 0845 11 999 11
accounts: 0845 11 999 22
fax number: 0845 11 999 01

mail servers:

incoming mail (POP3): mail.lumison.net
outgoing mail (SMTP): mail.lumison.net (Lumison internet customers only)
outgoing mail with SSL/TLS (SMTP/Auth): smtp-auth.lumison.net (offsite use
requires authentication only)

NB Customers who use another service provider for internet access must
use that provider's SMTP server for outgoing mail. Please contact your other
ISP's support desk for details.

news server:

news.lumison.net

web proxy:

cache.lumison.net port 3128

FTP upload to websites (enter hosting account username/password):

Unix: ftp.lumison.net
Windows 2003: winftp.lumison.net

FTP access to web logs (enter hosting account username/password):

logs.lumison.net

name servers:

ns0.lumison.net : 212.20.226.130
ns1.lumison.net : 212.20.226.194
ns2.lumison.net : 212.20.226.131
ns3.lumison.net : 212.20.231.33

mail exchangers (for offsite DNS configuration):

incoming-mail-system.lumison.net : 87.246.68.23
mx1.lumison.net : 212.20.226.229
mail-2.as12703.net : 212.20.226.229

hostnames for virtually hosted websites (for offsite DNS configuration):

Unix hosting: vweb.lumison.net
Windows 2003 hosting: vweb-win2k3.lumison.net

useful Lumison links:

webmail: http://webmail.lumison.net
customer login area: http://login.lumison.net
customer support knowledge base: https://kb.lumison.net
password changer: http://login.lumison.net
auto-responder and mail forwarding: http://login.lumison.net

Port firewalling on Lumison network:

The following ports are blocked at our firewall by default. Please contact our
Customer Support department if you need any ports unblocked on your connection.

ADSL & dial-up connections

TCP port 25 (SMTP mail) inbound blocked at firewall by default

SDSL

All ports are open on SDSL LLU apart from:

Rose St Exchange: Windows networking ports (137 - 139 UDP and TCP) blocked by
default

BT SDSL Exchanges: TCP port 25 (SMTP mail) inbound blocked at firewall by
default

Colocated/Dedicated servers

All ports inbound blocked by default, all ports outbound allowed

Network borders (external transit and peering)

0.0.0.0/8 blocked by default
10.0.0.0/8 blocked by default (private RFC1918)
172.16.0.0/12 blocked by default (private RFC1918)
192.168.0.0/16 blocked by default (private RFC1918)
127.0.0.0/8 blocked by default (loopback)
255.255.255.255/32 blocked by default (internet broadcast)
x.x.0.0 blocked by default (It's possible to have real hosts on these
addresses, but in practice they tend to be used for denial of service attacks)
TCP ports 1434 and 4444 blocked by default (used by slammer and RPC-DCOM worms)