How to setup DHCP client in Sun Solaris
Setting up a Sun Solaris Server to receive its IP address from a DHCP Server is fairly straight forward and is infact just a matter of setting up files on your Solaris Server.
Control/Modify dhcpagent configuration in Sun Solaris
Do you you DHCP to get the IP Address for your Solaris Server or workstation then its worth understanding what your DHCP Agent by default requests for from the DHCP server and help avoid certain network issues like “unknown” hostname issue as I’ve descrbed here.
The DHCP Agent by default requests for the
Subnet Mask
Default Router
Hostname
DNS Domain
Broadcast Address
Encapsulated Vendor Option (vendor specific information as described in RFC 2132)
Fix: No hostname when using DHCP in Sun Solaris 8/9/10
If you are using DHCP to receive IP Address for your Sun Solaris system, you may end up with no hostname assigned to the system. This can be confirmed when there is no hostname at the prompt or if the output for the command “hostname” is as follows:
# hostname
unknownor the /etc/hosts file has an entry as follows:
# cat /etc/hosts
#
# Internet host table
#
127.0.0.1 localhost
192.168.0.3 unknown # Added by DHCP
Sun Security Alerts- Sun Alert 275590 A Security Vulnerability in the ntp Daemon (xntpd(1M)) May Lead to a Denial of the Solaris Network Time Protocol(NTP) Service
- Sun Alert 274110 Security Vulnerability in the Apache 1.3 "mod_perl" Module Component "Status.pm" May Lead to Unauthorized Access to Data
- Sun Alert 274990 Security Vulnerability in the Transport Layer Security (TLS) and Secure Sockets Layer 3.0 (SSLv3) Protocols Affects Multiple Server Products in the Sun Java Enterprise System Suite
- Sun Alert 275530 Integer Overflow Security Vulnerability in AES and RC4 Decryption in the Solaris Kerberos Crypto Library May Lead to Execution of Arbitrary Code or a Denial of Service (DoS)
- Sun Alert 271169 Multiple Security Vulnerabilities in the Common Unix Printing System (CUPS) Web Interface in OpenSolaris May Lead to Cross-Site Scripting (XSS) and HTTP Response Splitting Attacks