Try with this AmiTCP.config
MBUF_CONF Initial = 2
MBUF_CONF Chunk = 64
MBUF_CONF ClChunk = 4
MBUF_CONF MaxMem = 2048
MBUF_CONF ClusterSize = 2048
;LOG Count = 4
;LOG Len = 128
;LOG Filter = 7
LOG FilterCons = 7
LOG FilterFile = 7
DebugSana = no
DebugIP = no
Gateway = no
IPSendRedirects = no
;UseNameServer = SECOND
;UseLoopBack = YES
TCP_SendSpace = 32768
TCP_RecvSpace = 32768
