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QF0
  • Member for 2 years, 11 months
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2 votes
1 answer
5k views

Multiple hosts with the same hostname on the same network?

0 votes
1 answer
1k views

Configuring sendmail to listen on an alternative port

0 votes
3 answers
1k views

CGI scripts: when can you return a document, instead of an HTTP response?

1 vote
0 answers
662 views

'socat' not displaying incoming UDP packets, but Wireshark does

0 votes
1 answer
571 views

iptables DNAT change not showing up in Wireshark

1 vote
1 answer
506 views

email validation: is there any point doing both SPF *and* reverse DNS tests?

0 votes
1 answer
413 views

Setting up sendmail to use aliases without a hostname? [domain name without hostname]

0 votes
0 answers
363 views

bash: can't read /dev/stdin when running as another user

0 votes
1 answer
283 views

Reverse DNS propagation and caching

0 votes
0 answers
245 views

Postfix virtual_alias_maps and virtual_mailbox_maps delivery to Dovecot

-2 votes
1 answer
173 views

Does Amazon have a web server named 'AmazonS3'?

2 votes
1 answer
143 views

How do I persuade a remote Postfix to allow relaying from my ISP-assigned IP address?

0 votes
0 answers
111 views

LUKS: encrypting swap without requiring a passphrase on boot?

1 vote
1 answer
99 views

Best practice for stopping Apache during backups

0 votes
1 answer
90 views

How do you make an encrypted swap partition setup persistent across boots?

0 votes
0 answers
44 views

How do I test a new git server?