Protocols Found Using WireShark

Testing out WireShark and delving into protocol details.

LLMNR

Microsoft DNS

http://en.m.wikipedia.org/wiki/Link-local_Multicast_Name_Resolution

Too much IP multicast

http://www.netcraftsmen.net/resources/archived-articles/283-ip-multicast-best-practices-and-control.html

ARP

Address Resolution Protocol

http://en.m.wikipedia.org/wiki/Address_Resolution_Protocol

NBNS

Netbios name service

http://wiki.wireshark.org/NetBIOS/NBNS

 

SSDP

Plug n play

http://wiki.wireshark.org/SSDP

32770/udp
filenet-nch
http://www.speedguide.net/port.php?port=32770
http://isc.sans.edu/port.html?port=32770

IGMP
http://en.wikipedia.org/wiki/Internet_Group_Management_Protocol

443 - SSL
Encrypted web site connection

80 - HTTP
web traffic

and strange outbound connections to places I don't think I'm going. Odd.

"Magic Packet" for Wake On Lan
You thought your computer was safe when off...but no.
Best to turn off network connections if don't want your computer woken up by network traffic
http://wiki.wireshark.org/WakeOnLAN

http://support.microsoft.com/kb/941145