Full_Name: Michael Ströder Version: HEAD OS: URL: Submission from: (NULL) (195.145.144.134)

The Refresh Response sent back by slapo-dds contains tag [0] instead of [1] as described in section 4.2 of RFC 2589:

The response field will contain as a value the DER-encoding of the following ASN.1 data type:

SEQUENCE { responseTtl [1] INTEGER }

If I assume [0] in my client when decoding it works...