Errata
The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Date Corrected".
The following errata were submitted by our customers and approved as valid errors by the author or editor.
Color key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update
Version | Location | Description | Submitted By | Date submitted | Date corrected |
---|---|---|---|---|---|
Printed | Page 318 last term, accept-traceroute-tcp |
The accept-traceroute-tcp term can present a security risk. As written, it allows any TTL=1 TCP segment to be accepted. This could provide unintended access to the router for any TCP protocol, such as SSH or Telnet. As such it represents a security risk. Note from the Author or Editor: |
harry Reynolds | Nov 18, 2019 | |
Printed | Page 342 accept-traceroute-tcp-v6 term |
The accept-traceroute-tcp-v6 term can present a security risk. As written, it allows any TTL=1 TCP segment to be accepted. This could provide unintended access to the router for any TCP protocol, such as SSH or Telnet. As such it represents a security risk. Note from the Author or Editor: |
Harry Reynolds | Nov 18, 2019 |