DavidR
6
This is the full list (see below) copy and paste including the comma separators, they are commonly used http proxy ports, so they are there so that avast can scan the content. Some malware links uses these ports as most web scanners only monitor port 80 and they do it in the hope of bypassing AV scanners.
80,8080,8091,8081,8008,8888,3124,3127,3128
Comodo may have been blocking the web shield, avastSvc.exe, but this would be across all sites other than ftp or https.
Are you talking of windows explorer or internet explorer, presumably IE, you can jsut click the Ctrl (control) key + Enter and that would fill in the www. (and also http:///. I don’t know why it is doing it as I don’t use IE as my default browser.
Using IE8 I can type ebay.com and it does open ebay, so I have no idea why it is going on in your version of IE.
Have you tried Firefox, Chrome or Opera and do any of those have problems connecting to these sites, etc. ?