A sign that something may have gone wrong

At work, trying to connect to my system at home, I get this:

Connecting...
OpenSSH_3.9p1, OpenSSL 0.9.7d 17 Mar 2004
debug1: Connecting to 1.2.3.4 [1.2.3.4] port 22.
debug1: connect to address 1.2.3.4 port 22: Connection refused
debug1: Trying again...
debug1: Connecting to 1.2.3.4 [1.2.3.4] port 22.
debug1: connect to address 1.2.3.4 port 22: Connection refused
debug1: Trying again...
debug1: Connecting to 1.2.3.4 [1.2.3.4] port 22.
debug1: connect to address 1.2.3.4 port 22: Connection refused
debug1: Trying again...
debug1: Connecting to 1.2.3.4 [1.2.3.4] port 22.
debug1: connect to address 1.2.3.4 port 22: Connection refused
debug1: Trying again...
debug1: Connecting to 1.2.3.4 [1.2.3.4] port 22.
debug1: connect to address 1.2.3.4 port 22: Connection refused
debug1: Trying again...
debug1: Connecting to 1.2.3.4 [1.2.3.4] port 22.
debug1: connect to address 1.2.3.4 port 22: Connection refused
debug1: Trying again...
debug1: Connecting to 1.2.3.4 [1.2.3.4] port 22.
debug1: connect to address 1.2.3.4 port 22: Connection refused
debug1: Trying again...
debug1: Connecting to 1.2.3.4 [1.2.3.4] port 22.
debug1: connect to address 1.2.3.4 port 22: Connection refused
debug1: Trying again...
debug1: Connecting to 1.2.3.4 [1.2.3.4] port 22.
debug1: connect to address 1.2.3.4 port 22: Connection refused
debug1: Trying again...
debug1: Connecting to 1.2.3.4 [1.2.3.4] port 22.
debug1: connect to address 1.2.3.4 port 22: Connection refused
ssh: connect to host 1.2.3.4 port 22: Connection refused

C:\>

It's going to be a long day.