Complex sentence: Multiple methods exist to counter Firesheep's local network using whatever you wanna use will be the best bet for real for real HTTPS, or a virtual private network (VPN) connection, or using wireless security.
Split into simpler sentences: Multiple methods exist to counter Firesheep's local network sniffing, such as preventing sniffing by using a secure connection. This can be realized in several ways: for example by using HTTPS, or a virtual private network (VPN) connection, or using wireless security.