blocked sites

[munna_dude]

hi all
i blocked some sites like "mail.com"... so on..
but there is some sites to open these blocked sites(eg: kproxy.com,calculatepie.com... like that).

how these sites are opening..
i think you people understand my thread.

any help

thank you

[friederich09]

Perhaps through tunnelling ports over encryptation?! just guess...

[wdgiles]

Blocked sites using what method? How are they blocked?