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How to fix MikroTik RouterOS DoH server connection error: SSL: ssl: certificate not yet valid (6)

Categories: MikroTik, Networking
Uli Köhler

Uli Köhler

2 min read
How to install additional SNMP MIBs in Ubuntu

Categories: Networking, SNMP
Uli Köhler

Uli Köhler

0 min read
Simple SNMPv3 client example for Netgear GS710TUP

Categories: Networking, SNMP
Uli Köhler

Uli Köhler

0 min read
How to get external IPv4 address using curl

Categories: Networking
Uli Köhler

Uli Köhler

0 min read
How to get external IPv4 address using wget

Categories: Networking
Uli Köhler

Uli Köhler

0 min read
ESP32 Arduino HTTPS webserver example using certificate from LittleFS

Categories: Arduino, ESP8266/ESP32, Networking, PlatformIO
Uli Köhler

Uli Köhler

3 min read
How to fix esp-tls-mbedtls: mbedtls_x509_crt_parse returned -0x2180

Categories: C/C++, Embedded, ESP8266/ESP32, Networking
Uli Köhler

Uli Köhler

1 min read
How to install ZeroTier on Teltonika RUTX.../TRB... routers

Categories: Networking
Uli Köhler

Uli Köhler

0 min read
How to filter for DNS "A" responses in Wireshark

Categories: Networking
Uli Köhler

Uli Köhler

0 min read
How to remote packet capture DNS requests / responses on MikroTik RouterOS

Categories: MikroTik, Networking
Uli Köhler

Uli Köhler

0 min read