SSH Tunnel - canal 3: open failed: administrativamente proibido: open failed

Question

ssh -D 9090 user@host

quando tento solicitar páginas da web através do socks5 (127.0.0.1:9090) recebo:

channel 3: open failed: administratively prohibited: open failed

servidor sshd_config:

#MaxStartups 10:30:100
PermitTunnel yes
#ChrootDirectory none
#VersionAddendum none

# no default banner path
#Banner none

# Accept locale-related environment variables
AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES
AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
AcceptEnv LC_IDENTIFICATION LC_ALL LANGUAGE
AcceptEnv XMODIFIERS

# override default of no subsystems
Subsystem       sftp    /usr/libexec/openssh/sftp-server

# Example of overriding settings on a per-user basis
#Match User anoncvs
#       X11Forwarding no
        AllowTcpForwarding yes
        PermitTTY yes
#       ForceCommand cvs server
#       PermitTunnel yes
        GatewayPorts       yes

o que eu sinto falta?