Server ipv4 client nur ipv6?

[global]
logfile = /dev/tty
nice = -1
preferlocalcards = 1

[cache]

[streamrelay]
stream_relay_enabled = 0

[dvbapi]
enabled = 1
au = 1
pmt_mode = 1
request_mode = 1
delayer = 70
ecminfo_type = 4
user = enigma
read_sdt = 1
write_sdt_prov = 1
extended_cw_api = 2
boxtype = dreambox

[webif]
httpport = 8888
httptpl = /etc/tuxbox/config/
httphelplang = de
httprefresh = 30
httpshowmeminfo = 1
httpshowuserinfo = 1
httpshowcacheexinfo = 1
httpshowecminfo = 1
httpshowloadinfo = 1
httpallowed = 192.168.0.0-255.255.255.255,127.0.0.1
http_status_log = 1

[reader]
label = constant.cw
protocol = constcw
device = /etc/tuxbox/config/constant.cw
caid = 2600,0B00,0500,0963,06AD,0940,06ad
ident = 2600:000000;0B00:000000;0500:032830;0963:000000;06AD:000000;0940:000000
group = 1

[reader]
label=abcdefghi.xyz
enable=1
protocol=cccam
device=abcdefghi.xyz,12000
user=xxx....xxx
password=xxx....xxx
cccversion=2.1.2
group=1
inactivitytimeout=1
reconnecttimeout=30
lb_weight=100
cccmaxhops=10
ccckeepalive=1
cccwantemu=0

[reader]
label = oscam_emu
protocol = emu
device = emulator
caid = 0D00,0D02,090F,0500,1801,0604,2600,FFFF,0E00,4AE1,1010,06AD
detect = cd
ident = 0D00:000000,000004,000010,000014,000020,0000C0,0000C4,0000C8,0000CC;0D02:000000,00008C,0000A0,0000A4,0000A8;090F:000000;0500:000000,030B00,023800,021110,007400,007800;1801:000000;0604:000000;2600:000000;FFFF:000000;0E00:000000;1010:000000;06AD:000000
group = 1
emmcache = 2,2,2,0
emu_auproviders = 0500:030B00;0604:010200;0E00:000000;4AE1:000011,000014