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Testing MASQ functionality without DNS

5.9. Testing MASQ functionality without DNS

  • Step Nine: Testing MASQ functionality without DNS

    Now try TELNETing to a remote IP address (i.e. telnet ( this is technically the DNS name ""). It might take a few seconds to get a login prompt since this is a VERY busy server. Did you get a login prompt like shown below? If so, it means that TCP Masquerading is running OK. If not, try TELNETing to some other hosts you think will support TELNET like ( If this still doesn't work, make sure you are using the simple rc.firewall-* ruleset for this test. An example of this output might look like (hit Control-D to exit out of the TELNET):

    masq-client# telnet
    Connected to
    Escape character is '^]'.
    SunOS 5.7
    ******************** Welcome to *******************
     To login to MetaLab as a user, connect to
               This machine does not allow public telnet logins.
    login: Connection closed by foreign host.



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