Just for completeness, I configured 6to4 to get IPv6 working. Both EPSV and EPRT work with IPv6. ftp> ls ---> EPSV 229 Entering Extended Passive Mode (|||10283|) ---> LIST 150 Here comes the directory listing. drwxrwxr-x 265 6060 48 8192 May 05 15:12 concluded-wg-ietf-mail-archive .. and ftp> ls ---> EPRT |2|2002:c014:e128::1|56420| 200 EPRT command successful. Consider using EPSV. ---> LIST 150 Here comes the directory listing. drwxrwxr-x 265 6060 48 8192 May 05 15:12 concluded-wg-ietf-mail-archive .. Bill _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf