FTPS GnuTLS error -15

Statut : Le port sélectionné est habituellement utilisé par un autre protocole.
Statut : Résolution de l'adresse de ftps.kiabi.fr
Statut : Connexion à 172.31.30.22:990...
Statut : Connexion établie, attente du message d'accueil...
Réponse : 220 "Bienvenue sur le service FTPS de XFTP02"
Commande : AUTH TLS
Réponse : 234 Proceed with negotiation.
Statut : Initialisation de TLS...
Statut : Vérification du certificat...
Commande : USER ftpncs
Statut : Connexion TLS/SSL établie.
Réponse : 331 Please specify the password.
Commande : PASS ********
Réponse : 230 Login successful.
Commande : OPTS UTF8 ON
Réponse : 200 Always in UTF8 mode.
Commande : PBSZ 0
Réponse : 200 PBSZ set to 0.
Commande : PROT P
Réponse : 200 PROT now Private.
Statut : Connecté
Statut : Récupération du contenu du dossier...
Commande : PWD
Réponse : 257 "/"
Commande : TYPE I
Réponse : 200 Switching to Binary mode.
Commande : PASV
Réponse : 227 Entering Passive Mode (194,250,130,2,117,48)
Commande : LIST
Réponse : 150 Here comes the directory listing.
Erreur : GnuTLS error -15: An unexpected TLS packet was received.
Erreur : GnuTLS error -110: The TLS connection was non-properly terminated.
Erreur : Déconnecté du serveur : ECONNABORTED - Connection aborted
Erreur : Impossible de récupérer le contenu du dossier

Thu Jan 10 10:39:19 2013 [pid 2255] FTP response: Client "172.17.160.113", "220 "Bienvenue sur le service FTPS de XFTP02""
Thu Jan 10 10:39:19 2013 [pid 2255] FTP command: Client "172.17.160.113", "AUTH TLS"
Thu Jan 10 10:39:19 2013 [pid 2255] FTP response: Client "172.17.160.113", "234 Proceed with negotiation."
Thu Jan 10 10:39:19 2013 [pid 2255] DEBUG: Client "172.17.160.113", "SSL version: TLSv1/SSLv3, SSL cipher: AES256-SHA, not reused, no cert"
Thu Jan 10 10:39:19 2013 [pid 2255] FTP command: Client "172.17.160.113", "USER ftpncs"
Thu Jan 10 10:39:19 2013 [pid 2255] [ftpncs] FTP response: Client "172.17.160.113", "331 Please specify the password."
Thu Jan 10 10:39:19 2013 [pid 2255] [ftpncs] FTP command: Client "172.17.160.113", "PASS <password>"
Thu Jan 10 10:39:19 2013 [pid 2254] [ftpncs] OK LOGIN: Client "172.17.160.113"
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP response: Client "172.17.160.113", "230 Login successful."
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP command: Client "172.17.160.113", "OPTS UTF8 ON"
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP response: Client "172.17.160.113", "200 Always in UTF8 mode."
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP command: Client "172.17.160.113", "PBSZ 0"
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP response: Client "172.17.160.113", "200 PBSZ set to 0."
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP command: Client "172.17.160.113", "PROT P"
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP response: Client "172.17.160.113", "200 PROT now Private."
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP command: Client "172.17.160.113", "PWD"
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP response: Client "172.17.160.113", "257 "/""
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP command: Client "172.17.160.113", "TYPE I"
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP response: Client "172.17.160.113", "200 Switching to Binary mode."
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP command: Client "172.17.160.113", "PASV"
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP response: Client "172.17.160.113", "227 Entering Passive Mode (194,250,130,2,117,48)"
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP command: Client "172.17.160.113", "LIST"
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] FTP response: Client "172.17.160.113", "150 Here comes the directory listing."
Thu Jan 10 10:39:19 2013 [pid 2256] [ftpncs] DEBUG: Client "172.17.160.113", "SSL_accept failed: error:140D9115:SSL routines:SSL_GET_PREV_SESSION:session id context uninitialized"