* Re: TCP Port for ISCSI Connection [not found] <16228C0E194D8DF1.2727@groups.io> @ 2020-07-28 6:45 ` Sivaraman Nainar 2020-08-31 9:05 ` Sivaraman Nainar 1 sibling, 0 replies; 6+ messages in thread From: Sivaraman Nainar @ 2020-07-28 6:45 UTC (permalink / raw) To: jiaxin.wu@intel.com; +Cc: devel@edk2.groups.io [-- Attachment #1: Type: text/plain, Size: 1611 bytes --] Jiaxin: Can you please comment on the below query. -Siva From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of Sivaraman Nainar Sent: Friday, July 17, 2020 5:39 PM To: devel@edk2.groups.io Cc: jiaxin.wu@intel.com 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 This e-mail is intended for the use of the addressee only and may contain privileged, confidential, or proprietary information that is exempt from disclosure under law. If you have received this message in error, please inform us promptly by reply e-mail, then delete the e-mail and destroy any printed copy. Thank you. [-- Attachment #2: Type: text/html, Size: 6255 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: TCP Port for ISCSI Connection [not found] <16228C0E194D8DF1.2727@groups.io> 2020-07-28 6:45 ` TCP Port for ISCSI Connection Sivaraman Nainar @ 2020-08-31 9:05 ` Sivaraman Nainar 2020-09-01 14:01 ` [edk2-devel] " Maciej Rabeda 1 sibling, 1 reply; 6+ messages in thread From: Sivaraman Nainar @ 2020-08-31 9:05 UTC (permalink / raw) To: Rabeda, Maciej; +Cc: devel@edk2.groups.io [-- Attachment #1: Type: text/plain, Size: 1925 bytes --] Rabeda: Could you please provide your comment on this. -Siva From: Sivaraman Nainar Sent: Tuesday, July 28, 2020 12:15 PM To: jiaxin.wu@intel.com Cc: devel@edk2.groups.io Subject: RE: TCP Port for ISCSI Connection Jiaxin: Can you please comment on the below query. -Siva From: devel@edk2.groups.io<mailto:devel@edk2.groups.io> [mailto:devel@edk2.groups.io] On Behalf Of Sivaraman Nainar Sent: Friday, July 17, 2020 5:39 PM To: devel@edk2.groups.io<mailto:devel@edk2.groups.io> Cc: jiaxin.wu@intel.com<mailto:jiaxin.wu@intel.com> 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 This e-mail is intended for the use of the addressee only and may contain privileged, confidential, or proprietary information that is exempt from disclosure under law. If you have received this message in error, please inform us promptly by reply e-mail, then delete the e-mail and destroy any printed copy. Thank you. [-- Attachment #2: Type: text/html, Size: 7407 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [edk2-devel] TCP Port for ISCSI Connection 2020-08-31 9:05 ` Sivaraman Nainar @ 2020-09-01 14:01 ` Maciej Rabeda 2020-09-01 14:31 ` Sivaraman Nainar 0 siblings, 1 reply; 6+ messages in thread From: Maciej Rabeda @ 2020-09-01 14:01 UTC (permalink / raw) To: devel, sivaramann [-- Attachment #1: Type: text/plain, Size: 2373 bytes --] 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:* jiaxin.wu@intel.com > *Cc:* devel@edk2.groups.io > *Subject:* RE: TCP Port for ISCSI Connection > > Jiaxin: > > Can you please comment on the below query. > > -Siva > > *From:* devel@edk2.groups.io <mailto:devel@edk2.groups.io> > [mailto:devel@edk2.groups.io] *On Behalf Of *Sivaraman Nainar > *Sent:* Friday, July 17, 2020 5:39 PM > *To:* devel@edk2.groups.io <mailto:devel@edk2.groups.io> > *Cc:* jiaxin.wu@intel.com <mailto:jiaxin.wu@intel.com> > *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 > > This e-mail is intended for the use of the addressee only and may > contain privileged, confidential, or proprietary information that is > exempt from disclosure under law. If you have received this message in > error, please inform us promptly by reply e-mail, then delete the > e-mail and destroy any printed copy. Thank you. > > [-- Attachment #2: Type: text/html, Size: 8884 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [edk2-devel] TCP Port for ISCSI Connection 2020-09-01 14:01 ` [edk2-devel] " Maciej Rabeda @ 2020-09-01 14:31 ` Sivaraman Nainar 2020-09-01 14:41 ` Maciej Rabeda 0 siblings, 1 reply; 6+ messages in thread From: Sivaraman Nainar @ 2020-09-01 14:31 UTC (permalink / raw) To: devel@edk2.groups.io, maciej.rabeda@linux.intel.com [-- Attachment #1: Type: text/plain, Size: 2753 bytes --] 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: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of Maciej Rabeda Sent: Tuesday, September 1, 2020 7:32 PM To: devel@edk2.groups.io; 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: jiaxin.wu@intel.com<mailto:jiaxin.wu@intel.com> Cc: devel@edk2.groups.io<mailto:devel@edk2.groups.io> Subject: RE: TCP Port for ISCSI Connection Jiaxin: Can you please comment on the below query. -Siva From: devel@edk2.groups.io<mailto:devel@edk2.groups.io> [mailto:devel@edk2.groups.io] On Behalf Of Sivaraman Nainar Sent: Friday, July 17, 2020 5:39 PM To: devel@edk2.groups.io<mailto:devel@edk2.groups.io> Cc: jiaxin.wu@intel.com<mailto:jiaxin.wu@intel.com> 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 This e-mail is intended for the use of the addressee only and may contain privileged, confidential, or proprietary information that is exempt from disclosure under law. If you have received this message in error, please inform us promptly by reply e-mail, then delete the e-mail and destroy any printed copy. Thank you. [-- Attachment #2: Type: text/html, Size: 9723 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [edk2-devel] TCP Port for ISCSI Connection 2020-09-01 14:31 ` Sivaraman Nainar @ 2020-09-01 14:41 ` Maciej Rabeda 2020-09-01 14:49 ` Sivaraman Nainar 0 siblings, 1 reply; 6+ messages in thread From: Maciej Rabeda @ 2020-09-01 14:41 UTC (permalink / raw) To: Sivaraman Nainar, devel@edk2.groups.io [-- Attachment #1: Type: text/plain, Size: 3564 bytes --] 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:* devel@edk2.groups.io [mailto:devel@edk2.groups.io] *On Behalf > Of *Maciej Rabeda > *Sent:* Tuesday, September 1, 2020 7:32 PM > *To:* devel@edk2.groups.io; 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:* jiaxin.wu@intel.com <mailto:jiaxin.wu@intel.com> > *Cc:* devel@edk2.groups.io <mailto:devel@edk2.groups.io> > *Subject:* RE: TCP Port for ISCSI Connection > > Jiaxin: > > Can you please comment on the below query. > > -Siva > > *From:* devel@edk2.groups.io <mailto:devel@edk2.groups.io> > [mailto:devel@edk2.groups.io] *On Behalf Of *Sivaraman Nainar > *Sent:* Friday, July 17, 2020 5:39 PM > *To:* devel@edk2.groups.io <mailto:devel@edk2.groups.io> > *Cc:* jiaxin.wu@intel.com <mailto:jiaxin.wu@intel.com> > *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 > > This e-mail is intended for the use of the addressee only and may > contain privileged, confidential, or proprietary information that > is exempt from disclosure under law. If you have received this > message in error, please inform us promptly by reply e-mail, then > delete the e-mail and destroy any printed copy. Thank you. > > > [-- Attachment #2: Type: text/html, Size: 12175 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [edk2-devel] TCP Port for ISCSI Connection 2020-09-01 14:41 ` Maciej Rabeda @ 2020-09-01 14:49 ` Sivaraman Nainar 0 siblings, 0 replies; 6+ messages in thread From: Sivaraman Nainar @ 2020-09-01 14:49 UTC (permalink / raw) To: Rabeda, Maciej, devel@edk2.groups.io [-- Attachment #1: Type: text/plain, Size: 3587 bytes --] Maciej, Thanks for the clarification. I agree with you. -Siva From: Rabeda, Maciej [mailto:maciej.rabeda@linux.intel.com] Sent: Tuesday, September 1, 2020 8:12 PM To: Sivaraman Nainar; devel@edk2.groups.io Subject: Re: [edk2-devel] TCP Port for ISCSI Connection 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: devel@edk2.groups.io<mailto:devel@edk2.groups.io> [mailto:devel@edk2.groups.io] On Behalf Of Maciej Rabeda Sent: Tuesday, September 1, 2020 7:32 PM To: devel@edk2.groups.io<mailto:devel@edk2.groups.io>; 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: jiaxin.wu@intel.com<mailto:jiaxin.wu@intel.com> Cc: devel@edk2.groups.io<mailto:devel@edk2.groups.io> Subject: RE: TCP Port for ISCSI Connection Jiaxin: Can you please comment on the below query. -Siva From: devel@edk2.groups.io<mailto:devel@edk2.groups.io> [mailto:devel@edk2.groups.io] On Behalf Of Sivaraman Nainar Sent: Friday, July 17, 2020 5:39 PM To: devel@edk2.groups.io<mailto:devel@edk2.groups.io> Cc: jiaxin.wu@intel.com<mailto:jiaxin.wu@intel.com> 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 This e-mail is intended for the use of the addressee only and may contain privileged, confidential, or proprietary information that is exempt from disclosure under law. If you have received this message in error, please inform us promptly by reply e-mail, then delete the e-mail and destroy any printed copy. Thank you. [-- Attachment #2: Type: text/html, Size: 11515 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
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2020-07-28 6:45 ` TCP Port for ISCSI Connection Sivaraman Nainar
2020-08-31 9:05 ` Sivaraman Nainar
2020-09-01 14:01 ` [edk2-devel] " Maciej Rabeda
2020-09-01 14:31 ` Sivaraman Nainar
2020-09-01 14:41 ` Maciej Rabeda
2020-09-01 14:49 ` Sivaraman Nainar
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