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Categories
Tags
Rfc
New post in Rfc
RFC 2822 and ISO 8601 date format regex
June 12th, 2022
datetime-format
iso
rfc
javascript
regex
In JsonSchema, the format value should be set as "full-date" or "date"?
July 5th, 2022
jsonschema
rfc
json-schema-validator
json
json.net
Yahoo Mail: "No mx record found for domain"
September 18th, 2022
rfc
email
email-server
Can I ping 127.0.0.1 if my computer isn't connected to a network?
September 17th, 2022
rfc
ip
localhost
networking
Space a valid delimiter for email addresses in email header?
September 17th, 2022
rfc
email
mime
Hotmail wants me to modify my SPF record
September 18th, 2022
spf
email
rfc
ptr-record
reverse-dns
Does the OS X DHCP client support classless static routes (RFC3442)?
September 17th, 2022
mac-osx
rfc
dhcp
SLAAC and DNS, no really - what's the deal?
September 18th, 2022
ipv6
rfc
domain-name-system
dhcp
Why isn't net.ipv4.tcp_rfc1337 enabled by default?
September 18th, 2022
time-wait
rst
tcp
sysctl
rfc
Does the presence of a Content-ID header in an email MIME mean that the attachment must be embedded?
September 18th, 2022
email
mime
rfc
Where is the documentation that states TCP and UDP source port should be over 1024 and random?
September 18th, 2022
tcpip
rfc
udp
Check public DNS health and RFC compliance
September 17th, 2022
domain-name-system
blacklist
rfc
What is the point of the zones.rfc1918 file for Bind9?
September 18th, 2022
bind
internal-dns
rfc
How does the DNS protocol switch from UDP to TCP?
September 18th, 2022
rfc
domain-name-system
DNS using CNAMEs breaks MX records?
September 17th, 2022
rfc
domain-name-system
mx-record
SMTP allows for multiple FROM addresses in the RFC. Was this ever useful, why does this exist?
September 18th, 2022
smtp
rfc
What's the maximum URL length in Tomcat?
September 17th, 2022
http
tomcat
rfc
uri
Legitimate reasons SMTP “MAIL FROM:” will not match “From:” Header in DATA
September 18th, 2022
smtp
email
rfc
Are two periods allowed in the local-part of an email address?
September 18th, 2022
rfc
smtp
email
Extract Server Name Indication (SNI) from TLS client hello
January 17th, 2020
protocols
language-agnostic
ssl
binary-data
rfc
Which date formats are IETF-compliant RFC 2822 timestamps?
July 9th, 2022
javascript
rfc
datetime
date
rfc2822
In HTTP specification, what is the string that separates cookies?
July 9th, 2022
rfc
httpcookie
http
http-headers
TCP Sequence Number
July 5th, 2020
tcp
rfc
sequence
numbers
Regex for validating multiple E-Mail-Addresses
January 3rd, 2020
regex
rfc
email
validation
c#
Can . (period) be part of the path part of an URL?
July 9th, 2022
rfc
url
What is the maximum length of a DNS name
July 9th, 2022
rfc
dns
rfc1035
hostname
Why is form enctype=multipart/form-data required when uploading a file?
May 16th, 2020
specifications
http
html
rfc
file-upload
The date/time format used in HTTP headers
December 3rd, 2020
php
rfc
http
date
Why do HTTP servers forbid underscores in HTTP header names
July 8th, 2022
rfc
apache
http
nginx
How to overcome root domain CNAME restrictions?
December 31st, 2021
networking
cname
rfc
dns
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