Abnormal Port Firefox dan CHrome

Firefox
Case:

This address is restricted
This address uses a network port which is normally used for purposes other than Web browsing. Firefox has canceled the request for your protection.

Solve:
1. about:config
3. new->string
4. network.security.ports.banned.override
5. insert port: ex:53

Chrome

Error code: ERR_UNSAFE_PORT

1. vi /usr/share/applications/google-chrome.desktop
2. find, Exec=/usr/bin/google-chrome-stable %U
3. replace, Exec=/usr/bin/google-chrome-stable %U -explicitly-allowed-ports=53

Send Mail Console Linux

echo "INI ISI" | mail -s "INI TITLE" hery@zipruz.com