Virtual Box Blocking all ports Share on Facebook Post on reddit Tweet on Twitter Share on LinkedIn Home › Forums › Virtualization › Other Virtualization Products and Issues › Virtual Box Blocking all ports This topic has 0 replies, 1 voice, and was last updated 8 years, 8 months ago by joswoody. Viewing 1 post (of 1 total) Author Posts joswoodyMember Jan 24, 2013 at 8:43 am #160767 I have an issue with virtual box as it is blocking all my ports when the adapter is set as bridged. My OS is Windows 7 and the OS I am trying to connect to is Win 2k3 Server. I made it bridged to be on the same LAN. Can anyone help me how I can open ports and can be able to telnet for example port 80? Thanks. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.