You get the error "squid Unable to determine IP address from host name

Synopsis

You get the error "squid Unable to determine IP address from host name for XXXXXX" in your web browser when trying to access a site

Article

This usually occurs if you are attempting to access an internal site, such as http://intranet If fo.r any reason squid is unable to resolve "intranet" to an IP address using the name servers provided it will display this error message.

To fix this, you should add an entry to the /etc/hosts file on your CensorNet server. To do this :-

1. Log in as root

2. Type:

nano /etc/hosts

3. On a new line, add:-

10.0.0.25    intranet

(replace with the correct hostname and IP)

4. Press CTRL+X then press Y followed by enter.

5. Restart squid

/etc/init.d/squid restart

Try the web site again and the problem should be solved.

Link:

http://www.censornet.com/en/kb/you_get_the_error_squid_unable_to_determine_ip_address_from_host_name/

Creating or updating a host profile fails with the error: Socket error: [Errno 97] Address family not supported by protocol

Resolution

VMware is aware of this issue.

To workaround this issue, enable the Security Profile in the CIM server.

To enable the Security Profile in the CIM server:

1. Log in to vCenter Server as an administrator from the vSphere Client.
2. Click the ESX host in the inventory.
3. Click the Configuration tab.
4. Click the Security Profile link.
5. Click Properties.
6. Click CIM Server > Options.
7. Select Start and Stop with host.
8. Click Start > OK.

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2013184