'''Generic String Encoding Rules (GSER)''' are a set of [[ASN.1]] encoding rules for producing a verbose, human-readable textual transfer syntax for data structures described in ASN.1.
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The purpose of GSER is to represent encoded data to the user or input data from the user, in a very straightforward format. GSER was originally designed for the [[Lightweight Directory Access Protocol]] and is rarely used outside of it. The use of GSER in actual protocols is discouraged since not all character string encodings supported by ASN.1 can be reproduced in it.
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The GSER encoding rules are specified in RFC 3641 and unlike other common types of encoding rules, are not standardised by [[ITU-T]].
