diff options
Diffstat (limited to 'plugin/forward')
| -rw-r--r-- | plugin/forward/README.md | 2 | ||||
| -rw-r--r-- | plugin/forward/setup.go | 6 | ||||
| -rw-r--r-- | plugin/forward/setup_test.go | 2 |
3 files changed, 10 insertions, 0 deletions
diff --git a/plugin/forward/README.md b/plugin/forward/README.md index e3ba86a80..f5011baaa 100644 --- a/plugin/forward/README.md +++ b/plugin/forward/README.md @@ -19,6 +19,8 @@ is performed and upstreams will always be considered healthy. When *all* upstreams are down it assumes health checking as a mechanism has failed and will try to connect to a random upstream (which may or may not work). +This plugin can only be used once per Server Block. + ## Syntax In its most basic form, a simple forwarder uses this syntax: diff --git a/plugin/forward/setup.go b/plugin/forward/setup.go index 779d085ae..8d80e779d 100644 --- a/plugin/forward/setup.go +++ b/plugin/forward/setup.go @@ -84,7 +84,13 @@ func parseForward(c *caddy.Controller) (*Forward, error) { protocols := map[int]int{} + i := 0 for c.Next() { + if i > 0 { + return nil, plugin.ErrOnce + } + i++ + if !c.Args(&f.from) { return f, c.ArgErr() } diff --git a/plugin/forward/setup_test.go b/plugin/forward/setup_test.go index f1776222f..bf77bb932 100644 --- a/plugin/forward/setup_test.go +++ b/plugin/forward/setup_test.go @@ -30,6 +30,8 @@ func TestSetup(t *testing.T) { // negative {"forward . a27.0.0.1", true, "", nil, 0, false, "not an IP"}, {"forward . 127.0.0.1 {\nblaatl\n}\n", true, "", nil, 0, false, "unknown property"}, + {`forward . ::1 + forward com ::2`, true, "", nil, 0, false, "plugin"}, } for i, test := range tests { |