Siva,
iSCSI targets can be configured to listen on any TCP port.
Changing the UEFI iSCSI Client's TargetPort min/max will effectively
prevent the user from communicating with the targets configured to
listen on ports outside that range (in your example: below 1024).
I do not see a reason behind removing that flexibility. If user sets
iSCSI target and client ports to values shared by other services, it is
that user's mistake.
Thanks,
Maciej
On 01-Sep-20 16:31, Sivaraman Nainar wrote:
Hello Maciej:
The ports numbers from 0 to 1023 are having specific roles.
Ex: 80 for HTTTP, 443 for HTTPS.
In the case can we set Min as 1024 and Max as 65535.
Thanks
Siva
*From:* [email protected] [mailto:[email protected]] *On Behalf
Of *Maciej Rabeda
*Sent:* Tuesday, September 1, 2020 7:32 PM
*To:* [email protected]; Sivaraman Nainar
*Subject:* Re: [edk2-devel] TCP Port for ISCSI Connection
Hi Siva,
What seems to be the problem at hand? What kind of range of values for
TargetPort do you propose?
TARGET_PORT_MIN/MAX_NUM refer to a range of values (0-65535) that be
set in TargetPort field in iSCSI HII. 3260 is a default TCP port for
iSCSI.
I see nothing wrong with that.
Thanks,
Maciej
On 31-Aug-20 11:05, Sivaraman Nainar wrote:
Rabeda:
Could you please provide your comment on this.
-Siva
*From:* Sivaraman Nainar
*Sent:* Tuesday, July 28, 2020 12:15 PM
*To:* [email protected] <mailto:[email protected]>
*Cc:* [email protected] <mailto:[email protected]>
*Subject:* RE: TCP Port for ISCSI Connection
Jiaxin:
Can you please comment on the below query.
-Siva
*From:* [email protected] <mailto:[email protected]>
[mailto:[email protected]] *On Behalf Of *Sivaraman Nainar
*Sent:* Friday, July 17, 2020 5:39 PM
*To:* [email protected] <mailto:[email protected]>
*Cc:* [email protected] <mailto:[email protected]>
*Subject:* [edk2-devel] Reg: TCP Port for ISCSI Connection
Hello all:
In the ISCSI driver, Target TCP Port Input shows the default port
as 3260. Which can be set from 0 to 65535
As per below RFC it talks about the Default Port only. Still it
not clearly said if we can use the numbers 49152-65535 which is
reserved.
https://tools.ietf.org/html/rfc3720
13. IANA Considerations
This section conforms to [RFC2434].
The well-known user TCP port number for iSCSI connections assigned by
IANA is 3260 and this is the default iSCSI port. Implementations
needing a system TCP port number may use port 860, the port assigned
by IANA as the iSCSI system port; however in order to use port 860,
it MUST be explicitly specified - implementations MUST NOT default to
use of port 860, as 3260 is the only allowed default.
with my understanding, it wouid be good if we can change the below
Min and MAX port number ranges with right ranges.
#define TARGET_PORT_MIN_NUM 0
#define TARGET_PORT_MAX_NUM 65535
Thanks
Siva
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