响应 '[Expert Info (Warning/Protocol): DNS query retransmission. Original request in frame 3]' ,意思是说DNS查询重传,原始请求在编号3的帧里面(即截图中第一个请求) '[Expert Info (Warning/Protocol): DNS response retransmission. Original response in frame 45]',意思是说DNS响应重传,原始响应在编号45...
响应 '[Expert Info (Warning/Protocol): DNS query retransmission. Original request in frame 3]' ,意思是说DNS查询重传,原始请求在编号3的帧里面(即截图中第一个请求) '[Expert Info (Warning/Protocol): DNS response retransmission. Original response in frame 45]',意思是说DNS响应重传,原始响应在编号45...
tcp.analysis.reused_ports 用于过滤tcp port重用 tcp.analysis.retransmission 用于过滤tcp数据重传 tcp.time_delta >=2 用于过滤tcp流中前后两个数据包超过2秒 tcp.analysis.window_update 用于过滤tcp滑动窗口更新 七层过滤: http.request.method == "POST" 查看 HTTP POST请求 流量 http.request.method == "GE...
[Ingress]HSGW> dns-client query client-name HSGW-DNS query-type NAPTR query-name APN2.apn.epc.mnc420.mcc300.3gppnetwork.org Query Name: APN2.apn.epc.mnc420.mcc300.3gppnetwork.org Query Type: NAPTR TTL: 60 seconds Answer: -Negative Reply- Failure Reason: Connection Refused 监控协议(DNS选项...
Ext-RCODE : 0 EDNS Version : 0 Class : 4096 Data Length : 0 Type : OPT UDPsize : 4096 Corresponding Wireshark trace: Frame 25: 151 bytes on wire (1208 bits), 151 bytes captured (1208 bits) Linux cooked capture Internet Protocol Version 6, Src: HSGW, Dst: DNS_Server User Datagram...
resolver retransmission-interval 2 resolver number-of-retries 3 exit exit 要配置的最小值是服務/繫結地址和主(或輔助)DNS伺服器地址。 UDP與TCP 讓DNS變得更為複雜的是傳輸層。雖然DNS查詢通常基於UDP,但基於請求的NAPTR查詢最終可能會基於TCP。原因在於UDP的回應大小有限制,這要求TCP透過多個封包傳輸回應。封...