Sendmail in SunOS

30 pts.
Tags:
Port 25
Sendmail
SPARC
SunOS
The sendmail configured in the SunOS server is capable of sending and recieving mails. I want to block the port 25 use and want to stop the incoming facility of the sendmail. Please advise what should be doing for that. Should I stop the sendmail service.

Software/Hardware used:
SPARC

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1. Type the following command to rename Sendmail
mv /etc/rc2.d/S88sendmail /etc/rc2.d/M88sendmail (the new name can be changed)
To stop Sendmail
sh /etc/rc2.d/M88sendmail stop
Now restart sunos.

U can use NMAP for port scanning or see the man page.

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  • Mariodlg
    Rechil is right, but for Solaris changing the firt letter of the command from upper case to lower case will cause system to ignore it. /etc/rc2.d/S88sendmail -> /etc/rc2.d/s88sendmail Same effect like changing the name like Rechil said.
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  • Subhendu Sen
    Mariodlg, good observation ! On Solaris / Linux or Unix they r very case sensitive. while Windows does not. Any command on Windows system, u can write either upper / lower.
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