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A group of proxies with a test url in it, just like Auto select group.

Unlike auto select group, the selection change will take effect immediately as long as any proxy test succeeds.

Therefore, proxies order is critical in a fallback group, you should put better proxies first.


Fallback group selection can not be changed manually


Profile sample

[Proxy Group]
FallbackGroup = fallback, ProxySOCKS5, ProxySOCKS5TLS, url=, interval=600, timeout=5

# traffic match '' will be redirect through AutoTestGroup's selected proxy
DOMAIN,, FallbackGroup

Policy path sample

ProxyHTTP = http,, 443, username, password
ProxyHTTPS = https,, 443, username, password, skip-cert-verify=true,
ProxySOCKS5 = socks5,, 443, username, password, udp-relay=false

Just like [Proxy] Section definition but without section header in it.

Use policy path can separate proxies and rules definition, and reduce profile complexity.


{group name} = fallback, {proxies, ...}, {policy-path}, {policy-regex-filter}, {url}, {interval}, {timeout}, hidden = {hidden}, include-all-proxies = {include-all-proxies}, include-other-group = "{include-other-group}"


group name-truename of group, will be used like a key to the group
proxies-trueA list of proxy name defined in [Proxy] section, divided by comma
policy-path-falseA list of proxy defined in url content
Content format will be presented below
policy-regex-filter-falseUsable if policy-path/include-all-proxies/include-other-group defined.
A regular expression which will apply on proxy name, only proxies which match expression will be reserved. Be aware this is a complete matching regular expression.
urlhttp scheme urlfalseTest url which is used by HTTP HEAD request.
If url is not defined, 'proxy-test-url' defined in [General] section will be used.
If 'proxy-test-url' is not defined either, '' will be used.
interval-falseUnit: seconds, define test trigger intervals. Default value: 600
timeout-falseUnit: seconds
Test exceed this maximum allowed duration will be treated as failure.
Default value: 5
falseWhether to display this proxy group in user interface, even set to false, this group will still take effect.
falseInclude all proxies defined in whole profile, can be used with policy-regex-filter to filter some of the proxies
include-other-group-falseInclude proxies from other group specified by name, can by used with policy-regex-filter to filter some of the proxies, group name can be more than one and split by comma

Only HTTP scheme url is allowed as test url, HTTPS and any other types of scheme url will not be supported.


proxies, policy-path, include-all-proxies and include-other-group can be used together in the same proxy group


You can use a profile url as policy path url, only proxies defined in [Proxy] section will be used