![]() Versions: IPv4, Internet Protocol Header Length = 20 Universally Administered AddressĮthernetType: Internet IP (IPv4), 2048(0x800) Ethernet: Etype = Internet IP (IPv4),DestinationAddress:,SourceAddress: Frame: Number = 2023176, Captured Frame Length = 92, MediaType = ETHERNET NbtNs:Query Request for WPAD Workstation Serviceīelow is the detail frame, would any of you help analyse about this? What's the probable cause? Thank you in advance. But did not see any virus on client computer. I found there are some computer continue send below message, around 1500 per minutes. LAN speed is very slow, so using network monitor to capture. If (connect(sock, (struct sockaddr *) &name, sizeof(name)) = SOCKET_ERROR) Name.sin_port = htons(25) //for SMTP port 25 SOCKET sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) Then I execute the following code: WSADATA wsadata So I use "nslookup.exe -q=mx " to find out the IP address of the respective mail server and get the server gmail-smtp-in.l. with address 74.125.136.27. ![]() I'd like to connect to the mail server of, for example.
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