Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- ne:troubleshooting [2017/05/19 18:46] – admin
+++ ne:troubleshooting [2021/06/24 07:52] (aktuell) – [UDP:] admin
@@ Zeile 4: / Zeile 4: @@
   * [[http://networkingbodges.blogspot.de/2012/11/tshark-one-liners.html|Wireshark (tshark)]]
-  * [[https://scrutin.wordpress.com/2007/04/06/quick-network-analysis-with-tcpdump/|Tcpdump]]
+  * [[https://scrutin.wordpress.com/2007/04/06/quick-network-analysis-with-tcpdump/|Tcpdump Tutorial 1]]
+  * [[https://danielmiessler.com/study/tcpdump/#gs.U9vx26M|Tcpdump Tutorial 2]]
+==== IP und DNS Information ====
+  * http://whatismyip.ch
+=== DNSlytics ===
+  * https://dnslytics.com/tools
+  * https://dnslytics.com/ip/141.45.184.41
 ==== Traceroute ====
@@ Zeile 28: / Zeile 37: @@
   * [[https://www.thomas-krenn.com/de/wiki/TCP_Port_80_(http)_Zugriff_mit_telnet_überprüfen]]
+**HTTP über openssl:**
-==== SMTP: ====
+  * http://www.h-online.com/security/features/Testing-email-with-encryption-812464.html
+==== Mail (SMTP): ====
 **SMTP über Telnet:**
   * [[https://www.thomas-krenn.com/de/wiki/TCP_Port_25_(smtp)_Zugriff_mit_telnet_überprüfen]]
+**SMTP über SSL:**
+  * http://www.h-online.com/security/features/Testing-email-with-encryption-812464.html
 ==== UDP: ====
 === UDP-Pakete per Kommandozeile senden ===
 <code bash>
- echo -n "hello" >/dev/udp/localhost/8000
+ echo -n "hello" >/dev/udp/localhost/8000 #may prefer IPv6!
+ echo -n "hello" >/dev/udp/127.0.0.1/8000
 </code>
+  * https://help.ubidots.com/developer-guides/sending-tcpudp-packets-using-netcat
   * http://stackoverflow.com/questions/9696129/how-to-send-only-one-udp-packet-with-netcat
@@ Zeile 66: / Zeile 80: @@
 <code bash>
- sudo netstat -lpn |grep :8080
+ netstat -vanp tcp | grep 443
+ lsof -i tcp:443
+ # anschließend mit ps das Programm ermitteln
+ ps -p PID
 </code>
+----
 ==== Linux/Unix Layer-4-Ports ====
   * https://www.cyberciti.biz/faq/linux-unix-open-ports/
+----
+==== Telnet Escape-Character ====
+**Mac**
+<code bash>
+ ctrl + ü
+</code>
+**Windows**
+<code bash>
+ ctrl + +
+</code>
+  * http://superuser.com/questions/398/how-to-send-the-escape-character-on-os-x-terminal
+----