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Some minor changes and added refference to RFC2732 #116

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Some minor changes and added refference to RFC2732
jenslink Mar 8, 2025
61ac5e0
added chapter for basic linux commands
jenslink Mar 8, 2025
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Delete 06. Management and Operations/Basic_Linux_Commands.md
jenslink Mar 8, 2025
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13 changes: 10 additions & 3 deletions 02. IPv6 Basic Technology/Addresses.md
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Expand Up @@ -52,6 +52,7 @@ In each chunk of 16 bits, leading zeros are dropped, so we write:

```
2001:0db8:ef01:0045:6789:abcd:ef01:2345

```

There is often a run of zero bytes in an IPv6 address. One such run can
Expand All @@ -70,7 +71,8 @@ be replaced by a double colon ('::') so that we write:
The idea is that IPv6 addresses should be cut-and-pasted in almost all
cases. If you ever do have to enter one manually, a great deal of care
is needed. Note that not all implementations will strictly follow
RFC9592, and older documentation often uses uppercase hexadecimal.
RFC9592, and older documentation and some implementations often uses uppercase
hexadecimal.

The choice of ':' as the separator is annoying in one particular aspect
\- where a colon has another meaning and works as a separator between
Expand All @@ -81,6 +83,8 @@ addresses in URLs are in square brackets like this:
https://[2001:db8:4006:80b::200e]:443
```

This is defined in [RFC2732](https://www.rfc-editor.org/info/rfc2732)

### Easy addresses

The unspecified IPv6 address is simply zero, represented as `::`.
Expand Down Expand Up @@ -296,9 +300,10 @@ that every IPv6 router must listen to.
All the officially assigned multicast addresses may found at
[IANA](https://www.iana.org/assignments/ipv6-multicast-addresses/ipv6-multicast-addresses.xhtml#link-local).

### Literal addresses in web browsers
### Literal addresses in URLs

Browsers can recognize a literal IPv6 address instead of a host name,
URLs (Uniform Resource Locator) as they used in Browsers and many other
tools can recognize a literal IPv6 address instead of a host name,
but the address must be enclosed in square brackets, e.g.:

```
Expand All @@ -309,6 +314,8 @@ Of course, literal addresses should only be used for diagnostic or
testing purposes, and will normally be cut-and-pasted rather than being
typed in by hand.

This is defined in [RFC2732](https://www.rfc-editor.org/info/rfc2732)

### Some addresses are special

Special-purpose IPv6 addresses and their registry are described in
Expand Down