diff --git a/src/frontend/apiserver/controllers/jobs.go b/src/frontend/apiserver/controllers/jobs.go
index 844c4186..f8a5d0df 100644
--- a/src/frontend/apiserver/controllers/jobs.go
+++ b/src/frontend/apiserver/controllers/jobs.go
@@ -1480,7 +1480,7 @@ func (j JobController) CreateJob(ctx *gin.Context) {
 		UserPriority:       req.JobPriority,
 		DependCond:         req.DependCond,
 		CWD:                req.CWD,
-		FromHost:           ctx.ClientIP(), //use ip now, need use hostname ?
+		FromHost:           req.FromHost, // bug-1676: client-asserted hostname, passed through unchanged
 		PreExecCmd:         req.PreExecCmd,
 		PostExecCmd:        req.PostExecCmd,
 		RequeueErrorValues: req.RequeueErrorValues,
diff --git a/src/frontend/apiserver/models/jobs.go b/src/frontend/apiserver/models/jobs.go
index 435a270d..a2e3f902 100644
--- a/src/frontend/apiserver/models/jobs.go
+++ b/src/frontend/apiserver/models/jobs.go
@@ -662,6 +662,7 @@ type JobSubmitRequest struct {
 	ChkpntDir          string      `json:"chkpnt_dir,omitempty"`
 	InitChkpntPeriod   int         `json:"init_chkpnt_period,omitempty"`
 	CWD                string      `json:"cwd,omitempty"`
+	FromHost           string      `json:"from_host,omitempty"` // client-asserted submitting hostname (bug-1676) -- passed through unchanged, not derived server-side
 	OutDir             string      `json:"out_dir,omitempty"`
 	InFile             string      `json:"in_file,omitempty"`
 	OutFile            string      `json:"out_file,omitempty"`