Squid: The Definitive Guide
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| unique_hostname |
If you have a cluster of caches talking to each other and sharing a single visible_hostname value, you must use this directive to give each a unique name. Squid uses the unique name in HTTP Via headers to detect forwarding loops (see Section 10.2).
| Syntax | unique_hostname hostname |
| Default | No default |
| Example | unique_hostname cache1.host.name |
| Related | visible_hostname , hostname_aliases |
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