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Nick Couchman commented on GUACAMOLE-1920: ------------------------------------------ [~aylin]: This issue has been closed and fixed, and the version has been released. Please do not update or reopen these issues. > When the cumulative number of user connections reaches a certain amount, > guacd will report an error. "RDP server closed/refused connection: Security > negotiation failed (wrong security type?)” > ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: GUACAMOLE-1920 > URL: https://issues.apache.org/jira/browse/GUACAMOLE-1920 > Project: Guacamole > Issue Type: Bug > Components: guacd > Affects Versions: 1.5.4 > Reporter: CaoShulin > Assignee: James Muehlner > Priority: Minor > Fix For: 1.5.5 > > > ||Local host:|Windows host| > ||Remote host:|Windows host| > ||Guacamole version:|1.5.4| > ||Protocol:|rdp| > When the cumulative number of user connections reaches a certain amount, > guacd will report an error: "RDP server closed/refused connection: Security > negotiation failed (wrong security type?)" > {code:none} > Feb 4 16:51:48 guacd[2038]: Creating new client for protocol "rdp" > Feb 4 16:51:48 guacd[2038]: Connection ID is > "$514ed1c3-2756-4d9f-8153-6388354873cc" > Feb 4 16:51:48 guacd[991760]: Security mode: RDP > Feb 4 16:51:48 guacd[991760]: Resize method: reconnect > Feb 4 16:51:48 guacd[991760]: No clipboard line-ending normalization > specified. Defaulting to preserving the format of all line endings. > Feb 4 16:51:48 guacd[991760]: User "@5259dffd-eb02-42df-9b82-18de1b87457f" > joined connection "$8ea080a2-1da5-4221-a828-823160906743" (1 users now > present) > Feb 4 16:51:48 guacd[991760]: Loading keymap "base" > Feb 4 16:51:48 guacd[991760]: Loading keymap "en-us-qwerty" > Feb 4 16:51:48 guacd[991764]: Security mode: RDP > Feb 4 16:51:48 guacd[991764]: Resize method: reconnect > Feb 4 16:51:48 guacd[991764]: No clipboard line-ending normalization > specified. Defaulting to preserving the format of all line endings. > Feb 4 16:51:48 guacd[991764]: User "@3814f8a9-f362-4b1e-9eb1-30fe6ed7c62b" > joined connection "$514ed1c3-2756-4d9f-8153-6388354873cc" (1 users now > present) > Feb 4 16:51:48 guacd[991764]: Loading keymap "base" > Feb 4 16:51:48 guacd[991764]: Loading keymap "en-us-qwerty" > Feb 4 16:51:48 guacd[991764]: RDP server closed/refused connection: Security > negotiation failed (wrong security type?) > {code} > When you try to access again, an error occurs: "segfault at 20 ip > 00007ff86708f848 sp 00007ff83affc9c0 error 4 in > libdl-2.28.so[7ff86708f000+1000]" > {code:none} > Feb 4 11:16:51 guacd[2507120]: Creating new client for protocol "rdp" > Feb 4 11:16:51 guacd[2507120]: Connection ID is > "$35290a32-8188-4bbb-9d7d-5e181be83e25" > Feb 4 11:16:51 audit[3804338]: ANOM_ABEND auid=0 uid=0 gid=0 ses=8 > pid=3804338 comm="guacd" exe="/usr/local/sbin/guacd" sig=11 res=1 > Feb 4 11:16:51 kernel: [143626.086546] guacd[3804338]: segfault at 85 ip > 00007f5a1d96a77d sp 00007f5951f929c0 error 4 in > libdl-2.28.so[7f5a1d96a000+1000] > Feb 4 11:16:51 kernel: [143626.086550] Code: c3 0f 84 96 00 00 00 8b 53 04 > 48 8b 43 18 85 d2 0f 84 9d 00 00 00 48 85 c0 74 1f 48 8d 3d a2 08 00 00 b9 0e > 00 00 00 48 89 c6 <f3> a6 0f 85 7b 01 00 00 48 c7 43 18 00 00 00 00 48 8b 04 > 24 e9 63 > Feb 4 11:16:51 guacd[2507120]: Connection > "$35290a32-8188-4bbb-9d7d-5e181be83e25" removed. > {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)