Attributes . QoS Layer 3 DiffServ, TCP/IP, UDP/IP, HTTP, HTTPS, RTSP, RTCP, RTP/UDP, RTP/TCP, mDNS, UPnP?, SMTP, DHCP, DNS, DynDNS, NTP, SNMPv1/v2c/v3 (MIBII), IGMP, ICMP, SSLv2/v3, TLSv1 . Names