NewAppendModifier returns an appendModifier that will append a header with with the given name and value for both requests and responses.

NewBadFramingModifier makes a best effort to fix inconsistencies in the request such as multiple Content-Lengths or the lack of Content-Length and improper Transfer-Encoding.

NewBlacklistModifier returns a modifier that will delete any header that matches a name contained in the names parameter.

NewCopyModifier returns a modifier that will copy the header in from to the header in to.

NewFilter builds a new header filter.

NewForwardedModifier sets the X-Forwarded-For, X-Forwarded-Proto, X-Forwarded-Host, and X-Forwarded-Url headers.

NewHopByHopModifier removes Hop-By-Hop headers from requests and responses.

NewIDModifier returns a request modifier that will set a header with the name X-Martian-ID with a value that is a unique identifier for the request.

NewMatcher builds a new header matcher.

NewModifier returns a modifier that will set the header at name with the given value for both requests and responses.

NewValueRegexFilter builds a new header value regex filter.

NewVerifier creates a new header verifier for the given name and value.

NewViaModifier returns a new Via modifier.

Filter filters requests and responses based on header name and value.

Matcher is a conditonal evalutor of request or response headers to be used in structs that take conditions.

ValueRegexFilter executes resmod and reqmod when the header value matches regex.

ViaModifier is a header modifier that checks for proxy redirect loops.